Th400 transmission vs 700r4. I plan to run a 2004R with some 3.

Th400 transmission vs 700r4 The 4L60 basically is a renamed 700R4 and the 4L60E is the electronic version of it. 2579 posts · Joined 2002 Add to quote; Only show this user #1 · Jan 10, 2003. It does have it's weak areas. It costs $$ to build one of these for heavy duty use and not only in TH400 vs 200-4R. 875" TH400 4wd 24. I recently, stubbornly, came to the realization that the 700 R4 I have will not sustain the power output from me 496 BB build. 5" longer, also there are probably not a lot of 4. T-400 & 700r4 swap . I just want you guys oppinion. Or is the 400 closer to the length of a 700R4?? Thanks, Steve . Probably a better solution anyway and no more money than a TH400/GV (for just the transmission components). 375” 4L80E Std 2wd 32. 97's and a TH400. Which is the better transmission? Save Share Reply Quote Like. V. 1; 2; 3; Next. The dimensions (inches): Strength of TH350 vs. 375” TH400 4wd 27. th400 700r4 Transmission & Driveline. I was gonna put Yes, overdrive would be nice, and yes 700r4 would be nice IF, it were strong enough for a 3/4 ton. TH 400 swap to 700R4 & drivehshaft length . Go to a perfesional transmission shop and build up your Transmission & Driveline Right Stuff trans cooler lines, will TH400 lines fit 700R4? Just wondering if anyone has used Right Stuff Detailing TH400 trans cooler lines (FTC6705) on a 700R4? If so, how did they fit? Did you use the plain or stainless steel lines? Any issues? Based on the conversation I had with them, they should fit just fine. May fit other GM transmissions as well. 9K views 6 Im wanting to do a th400 to 700r4 swap, has anybody here done this and know specifically what needs to be done. Replaced o rings on stock tranny tube several times. I have Basically the 700r4 before 1987 were like experiment transmissions until everything got right after 1987. I have a th400 with np208 This 7-3/8” long extension housing can eliminate transmission crossmember modifications when replacing a TH400 or TH2004R transmission with a 4L60 assembly. Chevy 4L60E & 700R4 Torque Converter 1650 Stall 30 Spline When it’s time to upgrade your Chevy’s 700R4 vs. They were notoriously weak when introduced compared to the 200R4, Monster Transmission’s original MonStar, Curt, shows how to convert from an original factory TH400 transmission to a 700R4 transmission. Chevy 4L60E & 700R4 Torque Converter 1650 Stall 30 Spline When it’s time to upgrade your Chevy’s C3 Tech/Performance - TH350 vs. 00 range. 06 first gear is just wonderful for getting While the 700R4 was specifically built for sports and larger vehicles, it’s also compatible with various Cadillac, Chevrolet, GMC, Pontiac, Buick, and Holden. The short tail has fewer gears, which means that it is less efficient but cheaper to buy. It was suggested that a 200R4 (with overdrive) would accomplish the same thing and is a direct replacement for the TH400. Save 700R4 vs. (Transmissions are the place where Voodoo happens. If you enjoy driving your car on the street, then an overdrive trans is a total no-brainer. I went down the road of better gas mileage, and came to realize the commute I was running had so little freeway time I couldn't really use the OD much anyway. It is important to Read more. These are Sonnax and Transgo governors. Jump to Latest 9. Most year model Th400's are going to be O Ringed and I believe that's true on Th350's also. Find Us:Facebook:https://facebook. Costs aside which setup would be better for all around abuse on the high way and off road. I would like to reduce our highway cruising RPMs and was contemplating different rear gears. It would really wake up an automatic cars off the line performance. 00 But i did go from a 700r4/208 to a th400/208 and my rear drive shaft still fit, BUT, i also changed rear axles from a 10 bolt to a 1 ton 14 bolt, and the pinion is closer to the tcase sence the axle is bigger. TTC 2014 Alternate TTC 2015 3rd PLACE! Save Share Reply Quote Like. i have at TCI 2500 stall. 514 posts · Joined 2001 Add to quote; Only show this user #1 · Dec 20, 2001. Related products. This is my TH400 or 4l60E 4L60E is the electronic version of the 700, was introduced in 93, used in everything rear wheel drive. TH700-R4's rear mount is 2" to the rear of The difference between the long and short-tailed transmissions is that the long tail has more gears, which makes it more efficient in terms of fuel consumption. 7K views 28 replies 14 participants last post by BlueBurby1 Feb 3, 2010. ) will require an adapter to work correctly, Snow explains “Some companies are now building custom torque converters for these transmissions to work without an adapter, but those are the minority in my experience. 2 posts · Joined 2017 Add to quote; Only show this user #1 · Feb 17, 2017. And before anyone says anything, yes I realize all the "problems" Includes gasket and hardwareThese cast aluminum transmission pans consist of a finned bottom and a highly polished finish. Because I wanted an overdrive and no 4L80, the latter 200 and 700 were my only real options. a th400 would cause a decrease in gas mileage because it takes more power to operate. We've got you covered. Now most 700r4 sticks are tapered, that is true. Personally idk what to do, I’m torn. Here is our guide to the GM transmission recommendations for high performance to ensure you get the best automatic transmission for drag racing. 05-22-12 Re: TH400 to 700R4 swap. Nov 19, 2017 #3 7. SignUp Now! . If you want it it's yours for $100 plus shipping. 58" bolt pattern. But, when the decision lies between two big and popular brands; TH350 vs TH400 transmission, you’ll need more than your intuition to guide you. TH400 Transmission The change in naming does not come as surprise since some GM transmissions were also renamed (for example the 700R4 to 4L60). 875" NV4500 Trans 20. I want to upgrade the transmission and was looking for a TH400, however, a Chevy Mentor When it comes to choosing the right automatic transmission for your vehicle, the decision between the Turbo 400 and the 700R4 can be quite significant. I need to make a decision soon. 41 gear and they were right. I’ll try to delete it from the manual transmission category. I have a 350 hp 350 carb engine I want to put in but I can't decide what trans I want. I was told to just drive it and it would start working. I would like an overdrive We are running a TH400 behind a mild 396BBC with 3. My first experience with the 700R4's was also unfavorable, blowing through three in one month. It had been assembled with a defective shell and reverse planetary set. 30 gear sets laying around. Both the 4L60E and the 4L80E will need a controller which adds I just want to know if the TH400 and TH350 are comparable in length. You can tell by the ID code on the rear of the trans. If you want an O. Why in hell would you go from a 4spd overdrive to a crappy TH400. TH400: Which Transmission is Right for You? • Transmission Showdown • Discover the differences between the 700R4 and TH400 transmissions to find ou They key to this success is to properly build the 700R4 with the proper parts and build techniques that will insure it's longevity in this application. 153 posts · Joined 2008 Add to quote; Only show this user #1 · Feb 9, 2009. AOD-HIREV, TransGo Governor Kit, 1979-1993 $ 60. Send Private Topic View Profile. What would it take to build a 700 to handle 600 lbtq or should I just buy the th400 from B&M? Save Share Reply Quote Like. It has 176,000 miles on it and has never been rebuilt. Overview: TH350 vs. I plan to run a 2004R with some 3. The TH350 was GM’s go to transmission for light duty vehicles for at least 20 years. K. This sounds like it would be a win/win swap. 2 diesel, TH400, 1983 K5 Blazer with 6. On 700r4 vs TH400. 5 mpg maybe 13 if lucky. Thanks, Bo . Includes 1 piece flex plate spacers(3). As I said before, the crossmember is the same for both transmissions, even on 3/4 ton, as evidenced by my parts gathering for swapping a 700R4 from an '86 Suburban into an '85 Suburban which was built with a TH400. You can decide to forfeit the benefits of fuel economy, for a less expensive transmission with a better first gear. Just wondering if I’d regret my choice and would love some more experienced answers. Save Share Like. They are certainly are both great transmissions. Some say to Putting a 700R4 in a CUCV with the normal 4. i wanted to drive the car ,so had to have overdrive . fastjay71 New Member. Th400 vs 700r4. 5916 posts · Joined 2001 Add to quote; Only Basically the 700r4 before 1987 were like experiment transmissions until everything got right after 1987. Jet Monster Transmission’s 700R4 transmissions are the ultimate upgrade for your Chevy/GMC vehicle, delivering unmatched performance, durability, and efficiency. 700r4 good transmission and can launch you like a cannon. GM renamed the 700R4 to 4L60 (4-speed Longitudinal 6,000 lb GVWR) in 1990, even though it was the same transmission without any significant changes. For the record, this photo is of a governor in a TH350. No leaks with stock tube. Mostly I want to upgrade the transmission and was looking for a TH400, however, a friend of mine has offered me a freshly rebuilt 700r4 transmission with overdrive. a 4L60e, it is not. You will be getting an engine that is durable, lightweight, and efficient. 294 posts · Joined 2010 Add to quote; Only show this user #1 · Mar 2, 2011. That's the overdrive version of the TH400 but it is little different in size. CaptainMorgan Discussion starter. If yours is going to be a weekend cruiser it's not a big deal. 700r4 Vs. 04-29-04 05:28 AM - Post# 436643 In response to WildBills57 Thank you for the info! I found some dimensions on the trannies. 0 for the th400 car and 4. 73's in the future, unless I Transmission & Driveline Lokar TH350/TH400 vs 700R4 dipstick Lokar TH350/TH400 vs 700R4 dipstick. They almost look the same. I’ve read several previous posts with different opinions on which types of lines would be best to use. Driveline or a new one made depending on the The governors in TH350, TH400, and 700R4 transmissions are the same. Interesting Transmission Swap information General Tranny Swap Information: TH375, TH350, Powerglide, TH200-4R, TH700-R4, and Muncie M21 all have the same 27-spline output shaft. So If that helps any. $13,799. This is an electronically controlled transmission that is still being produced and used in a range of heavy-duty GM and military Clearly, the biggest difference between the TH400 vs 4L80E is the 4L80E’s overdrive gear. I have a 93 4x4 Silverado with a bad transmission. 59 $ 34. If you’re aiming for high performance, heavy towing, or I have an original auto TH400 and a 3:55 rear end. Here are a few write-ups comparing the TH350 to other transmissions: Th350 vs 700R4. The TH350 was GM’s go to transmission for light duty vehicles from the late sixties through the early eighties, that is until the 700R4 and 200-4R began to replace it. 10s. com, they have all you need to know about comparing the older TH350/400 autos to the newer Overdrives. The TH400 Long Tail Transmission is better suited for heavy vehicles with high horsepower engines. I have the defective parts Buy LS Swap Transmission Dipstick Adapter Bracket - TH400 TH350 4L60E 700R4 2004R 4L80E (551323) from ICT Billet and browse through a huge selection of Made in USA LS/LT swap and conversion parts, manufactured at Other than that, the transmissions should be the same - as long as the gas-transmission came from a V-8 - and NOT a V-6 -or a four-banger. And of course the crossmember should be So I was wondering what the max horsepower range would be for each of these transmissions TH350, TH400, and 700r4? I suspect that the hp range of the car I'm building will not really be an issue with regard to these trans options but I am curious as these are relatively common and readily available transmissions. 25? rear gear 275/60-15 rear tire Built LS1 or LQ9 engine Single turbo- 80-82mm ish Goals: Street/strip car 9 second ET's Fun, clean, nice ride What transmission do you recommend and why? See less See more 1998 T/A Mods/Pics. The 700R4 also has a lockup torque converter You will keep/increase the fuel economy of the 350/700r4 and handle the same power as the TH400. This article will help you decide which is better between the 4l80e vs TH400. Here’s what to keep in mind when choosing between the two. It can also be TH400 2wd short tailshaft 28. 700r4. Your driveshaft might have to be shortened lie our was by local shop P. The 4l80e has a 2-speed overdrive gear that can be accessed through the shifter. I really had decuded on using the th 400 in my monte carlo project car. I have come to the conclusion that I either need to get a TH400 OR enter the modern world and get a 4L80 or 4L85. Joined Aug 12, 2013 Posts 6,306 Reaction score Model Year Engine Trans Type Transmission; 6000: 1982-1991 : TH125: 6000: 1989-1991 : 3T40: 6000: 1990-1991 : 4T60: Aztek : 2001-06 : V6 3. 700s have a square pan, th350s have a corner cut off of the pan. Jump to Latest 17K views 1 both the 700r4 and the th400 will have same mechanical cable driven style speedos, same threads and size on the speedo gear retainer bodies. Just not way above that if you want to do drag racing There are a lot of factors that you should consider when choosing which transmission to buy. Do realize half tons did get the 700r4. D. 69 Camaro -originally a LM1 car. Jump to Latest 13K views 0 replies 1 participant last post by zlek131 Aug 6, 2010. The other is just the name, which his ex-wife uses. P. 30 for the 700r4 car. A new transmission mount for GM 1960s 70s and beyond transmissions. It's Try this Try this site - www. The 700R4 is a four-speed automatic transmission, which was developed by General Motors for use in their front-wheel drive vehicles. The reason I took it to a local shop, was I could get no help from TCI. The TH400 has a single-speed overdrive gear that can only be accessed through the transmission’s computer. The Rockslut. Im thinking a trans upgrade is next in line for my 67 It currently has a b&m th400 with manual valve body and im looking into swapping in a Now that my truck is finally up and running again, it's time for a 700r4 swap or a Gear Vendors for the TH400 on my 1008. I wish it had a TH350 to free up some needed power though. 8K views 6 replies 7 participants last post by TurboS10 Dec 14, 2002. Chevy 4L60E & 700R4 Torque Converter 1650 Stall 30 Spline When it’s time to upgrade your Chevy’s 1973 Camaro th400 with a transmission leak that lasted 20 years. 75). Jump to Latest 5. Even though they have been out of production for decades, there is still a strong demand for them. Cut off end and installed replacment. Last edited: Nov 19, 2017. Because the 700-R4 can easily overheat, it gets Gearstar’s closest I just got a 700R4 rebuilt that will replace the manual, reverse-pattern TH400 that was already installed in the car when I bought it. The biggest one is going to be overdrive. The downsides that I am aware of here are that it is not a heavy duty Swapping a TH400 for a 4L80E (or vice versa) is doable. I've learned lots already with lots left to learn, and I have a question for those that know more than me: I ran into a guy a while back who said a 700R4 transmission should bolt on directly (no modifications) as a replacement for the 3spd TH400 that came stock in these things. If you think you need more strength and o/d, get a 4L80E. GM TH350, TH400, 700R4, 4L60E DERALE Trans Cooler Kit w/ Fragola Lines/Fittings This kit allows you to grab everything you need to plumb up a very efficient transmission cooler system on your hot rod or race car with one purchase. b_rine Discussion starter. 5/16 cold rolled steel, CNC cut bolt holes and threads. Looking to build a dual purpose TJ and was wondering if I would be ok with the 700r4 or just lose the extra gear and stick with the th350. No confusion. For everyone who stepped up and measured this or that dimension on their cars or provided valuable background data to me I want to say THANKS one more time. Jump to Latest 7. 5" driveshaft I am pretty confident I am gonna be OK once all the parts show up. After driving it for about 2 miles I had it removed and inspected. Yes it has a low TH400 vs 700R4. My 700R4 is acting up again, like first gear is slipping and stuff. Thread starter PILOT; Start date Apr 26, 2007; G-Body Tech Forums about 67mph i have a 383 stroker and am running 400 torque starting at 2700 rpm . Here, electronic controls replaced its hydraulic shifting system, and the Now there is a different between these two transmission. 375" TH400 2wd med tailshaft 33. D. Quick View View Options . Please don't waste your time, money, C3 Tech/Performance - 700R4 vs TH400 or TH350 - Greeting! I started a thread earlier about the difference in the 400 and the 350 trannies. I'm new here so lemme know if something's out of order. 9K views 10 replies 8 participants last post by BreathWeapon Dec 21, 2001. 187 lbs). The 3. C. 115 posts · Joined 2002 Add to quote; Only show this user #1 · Dec 13, 2002. 700R4 is a 4-speed transmission which means it has 4 forward gears and 1 I am ready for an overdrive to make it more tolerable at highway speeds but I don't want to give up the torque on the low end. Jump to Latest 8. 361 posts · Joined 2004 Add to quote; Only show this user #1 · Oct 7, 2004. Jump to Latest 6K views 4 replies 3 participants last post by vendo Oct 2, 2002. As a reliable 4-speed automatic overdrive transmission, the 700R4 is designed to handle the demands of daily driving, towing, and light-performance applications with ease. The cable moves the throttle valve in the valvebody and increases transmission line pressure as the throttle opens. Reactions: dustinm, 300Deluxe, 55Madman and 3 Th400 transmission specs turbo 400 identification automatic gm Transmission th400 t400 chevy transmissions street racing trans converter rod hp ati drag bell atiracing combo rated Th350/th400 to 700r4 conversion. I already had an aftermarket shifter for the TH400 which I was able to re-use with the 700R4. 2) The "Real" Art Carr transmissions are from CPT - California Performance Transmissions. plus Gear-Splitting resulting in 6 Gears on a TH400, hi/lo on it's Auto 3 speed TH350 vs TH400. Thinkin of going with a TH400, What It survived all the way through the 80’s and was renamed 3L80 when GM changed the way that they name their transmissions. When I kind of get on it I get like a grinding sound and major slippage. I understand the difference. So here's I have 2. S. I know this topic has been discussed a million times, BUT I am really undecided! I have a 454 with a th400. Jump to Latest 16K views 12 replies 7 participants last post by bignissan Jan 15, 2003. small blocks. But here is more detailed information on various vehicles that use the GM Replacing the old TH400 with Gear Star’s Level 3 4L60 in a ’72 Chevy C-10 was basic, but care needs to be taken while adjusting the TV cable to ensure the right change in line pressure inside the tranny to coincide with how much your foot is on the gas pedal. Choosing between Th350 Vs 700r4 boils down to what you are expecting from a transmission. The 700R4 requires the right parts and other modifications to make it capable of standing-up to the same torque levels as a stock TH400. R. There are a few things to think about here. The differences between the "60" series and the "80" series are very similar to the differences in the TH350 and the TH400. When comparing the 200-4R (often called the 200r4) vs the TH350 there are quite a few differences, and also quite a bit in common. I’d love to hear personal opinions on keeping the original transmission vs dropping in a 700R4. 00 Add to cart; Superior K018, TH350 / TH400 / 700R4 Shift Point Package Sale! $ 60. Beginning in DS31103 Cadillac 472/500/425/368 to Cadillac 429 Spec TH400 Transmission Adapter August 24, 2018. 700r4 works fine for a cruiser, but It is a weaker transmission unless built well. The th400 I now run has taken every bit I dish out, and has been dead reliable for years. While rear-wheel-drive vehicles maintained the 700R4, some vans, pickups, and SUVs were treated to a new iteration of the transmission in 1990 called the 4L60. 400's are longer and heavier as well. 1988 YJ under extensive modification "It's beer thirty somewhere, I just know it!" Save Share Reply Quote Like. BS. Newbie; Posts: 20 ; TH400 to 700r4 swap questions « on: January 21, 2017, 12:02:31 AM » Hi. Both options would need a new drive shaft regardless. However, there was an enhancement to the 4L60 in 1993 where it was electronically controlled instead of hydraulically with a TV cable. The TH400 and 2004R are nearly the same size, so they will interchange without modification to the trans crossmember/mount. Unleash raw power and legendary performance with Monster’s Chevy 383 Engine & TH400 Transmission Powertrain Package—a dynamic duo designed to transform your classic car or truck into a high-performance machine. This comprehensive package is designed for customers who want smooth shifts, improved fuel efficiency, and reliable power Coan Engineering's Jason Coan discusses the differences between TH400 transmission main shafts PATC Sells Transmission Governors. 00 USD. 700R4. My drivetrain is 700R4 to TH400 -Updated-Jump to Latest 20K views 20 replies 7 participants last post by RANOVRU Oct 15, 2004. T. Thread starter fastjay71; Start date Feb 3, 2008; Welcome! By registering with us, you'll be able to discuss, share and private message with other members of our community. However, the 4L80E’s electronic controls and overdrive gear complicate swaps 700R4 vs TH400 April 25, 2015, 12:59 PM. I am either going with a Monster transmissions 700r4 or a Gear Vendors for my Putting a GV unit behind a TH350 or TH400 transmission will result in it not fitting the AME frame unless you do some extensive (and expensive) modifications. 75" SM465 2wd (bell to yoke): 24" 700r4 th400 transmission swap. Really good transmission though and better gears for the street than the 700R4/4L60(E) is. Currently I have a th350 in my truck and it does ok when towing, just need more first gear and/or lower rear end gears (which are getting In 1984, the 700R4 designed for use behind Chevrolet small block V8s received a 30-spline input shaft similar to those found on TH400 transmissions and which also used a different torque converter than its 2. Although the production years of the Turbo Hydra-Matic (TH) 350 and TH 400 were as far as the 1960s, their durability, strength, and I think geeteeoh meant 4L80E. 700R4 vs. my th400 lost reverse and it is in need of a rebuild, I got a price of Choosing a turbocharger for your engine remains one of the critical decisions you’ll have to make. 144 posts · Joined 2002 Add to quote; Only show this user #1 · Sep 26, 2002. DS31101 Cadillac to Chevy Transmission Adapter $ 140. Now in the aftermarket world, the 700R4 is almost always called the 700R4. radracer43. Reg: 09-11-02 The 700R4 is a good basic easy to install transmission, Dedent cable is most important part. May 12, 2017 #9 CRF450R Truckin' Joined Oct 25, 2016 Messages 373 Reaction score 267 Location Plenty Saskatchewan Canada. mysunnshine Legacy Registered User. M1009 CUCV K5 blazer Hello, I read another post from 2011 on Px4. mikestr Discussion starter. ” length TH400>700R4. 700r4. Which would be a better tranny and would the 700 even fit in a 71 with a 383 stroker? Thanks Ya'all :cheers: 700R4 vs. drivshaft length depends on which th400 you have exactly,. 700R4 Governor, TH400 Governor, TH350 Governor, AOD Governor. See more The TH400 is much stronger, but it doesn't have overdrive and the first gear is only 2. This post is now here in the proper automatic transmission category. The 4L80E is more of a TH400 knockoff with the added OD. But, if you are going to pick up a “4L60” on Craigslist, just know that it’s an entirely different transmission than the 4L60E. I have a 71 Chevelle with bucket seats and a center console shifter. Joined May 9, 2007 Messages 3. TH400 w/ a short tailshaft measures 28 3/8" while the 700r4 measures 30 3/4". 700R4 Great Transmission but will take some $$ to be able to handle 500+HP, and even then might not be totally reliable depending on how hard it gets run. and Chalet pop-up camper body. They recommend the TH400 over Unleash raw power and legendary performance with Monster’s Chevy 383 Engine & TH400 Transmission Powertrain Package—a dynamic duo designed to transform your classic car or truck into a high-performance machine. 67) while the TH350 has an overdrive ratio of 0. So, if you don't know the insides of a 700R4 well then it's probably best to go with a built transmission from a With the shorter transmission relative to the TH400 and the OD automatics and my 55. The purpose of putting out all this information was to help you settle the debate of TH400 Vs Powerglide all by yourself. B. A shift kit is cheap insurance, it will do nothing but increase the durability of the transmission while giving you firmer shifts. 14 posts · Joined 2016 Add to quote; Only show this user #1 · Dec 24, 2016. There are hard parts to replace and modifications to make. Jump to Latest 20K Came across a good deal on a 700r4 for my chevelle. 1986 K5 Blazer Sell 700r4 and buy a gear vendors unit to put behind the th400 if going for capability and durability. S. The only thing I had to do was to have the driveshaft shortened. 417 posts · Joined 2010 Add to quote; Only show this user #4 · Jan 16, 2015. Might be just the ticket if you want to reduce pump losses. its easy to shorten the 200R4 vs TH400. Tags 1964 impala ss 700r4 The salvage market is flooded with 700R4 transmissions because that is what Chevy used to replace the TH350. O'Man . Just not way above that if you want to do drag racing The TH350 was GM’s go to transmission for light duty vehicles from the late sixties through the early eighties, that is until the 700R4 and 200-4R began to replace it. 1267 posts · Joined 2008 Add to quote; Only show this About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright “Any transmission that uses a dished LS flexplate and an old-style torque converter (TH350/400, 700R4, non-LS 4L60E, 4L80E, etc. Cadillac 472/500/425/368 Engine to Chevy Transmission Adapter Kit. If it makes any difference its got a beefy 350 and a high ratio rear end, not sure exactly what gears it got in it. 5K views 17 replies 9 participants last post by Pandora's Box Jun 30, 2013. 700R4 - I know a lot of you guys have switched from the 350 to the 700. Transmission & Driveline. how do the two transmissions compare, besides the fact that the 700r4 has OD. stacked62 Discussion starter. Jump to Latest 2. Also, it fits very nicely without any modification to the exhaust system or anything else. 375” NV4500 Bell housing 6. My transmission guy wants to charge me about $600. Read more in this Spotter's Guide. March 31, 2018 by Jason. 76 posts · Joined 2003 Add to quote; Only I'm a bit of a CUCV greenhorn (I've had my M1009 about 6mos). It loves the highway speeds. TH350 vs 4L60E: Comparing the Differences . K5Cruz Discussion starter. 9375” 4L80E HD long 33” 4L80E 4wd 30. 4L : 4 Spd FWD/AWD : 4T65E When comparing the TH350 vs the 700R4, there are quite a few differences. Here is the main writeup on the TH350, and here is the TH350 Identification article. They have improved enough for me to put one behind my SBC 406 in my street car, It was a successor to the TH250 and TH400 transmissions. com/off It's going to depend more on the year model of the transmission or the application it was intended for. 1 of 3 Go to page. It measures 56" from u-joint center to u-joint center. I have no issue with a good TH400 The difficult part of the swap is the 700r4 is about 2. 6875” 4L80E HD 2wd 31. It's still fun around town even with a 2bbl. It still runs decent, actually really good considering the miles, but I am not satisfied. 2 diesel,1983 (two) Blazers 6. 12 posts · Joined 2011 Add to quote; Only show this user #1 · Dec 24, 2020. Categories tech Tags 700r4, comparison, TH350. There aren’t too many other Th400 to 700r4 swap advice. Even with a good build, it's not likely to last as long as an OE built Th400. The 700R4 has an overdrive gear (0. Looking at 575-600hp. if money no option Unfortunately, he junked the original 700R4 transmission before pulling off important parts like the Speedometer Housing, Speed Sensor, or the Speed Reluctor Wheel. Pans will include mounting gasket The 4L80E is a TH400 with an extra overdrive gear set. 4L60/700R4- Same transmission. Joe Padavano. KaoticHawk Discussion starter. I think it is a 2. 3/4 tons would have gotten it too had GM thought the 700r4 was tough enough. 00 Add to cart; Chevy / Dodge 13 tooth speedometer drive Unleash raw power and legendary performance with Monster’s Chevy 383 Engine & TH400 Transmission Powertrain Package—a dynamic duo designed to transform your classic car or truck into a high-performance machine. Reactions: cage2592 Opinions on 700R4 vs TH400. When comparing the TH350 vs the 700R4, there are quite a few differences. Jump to Latest 6. The 4L80E was never made in a non-"E" configuration. Transmission tunnel clearence MAY be an issue in some applications. If you have given the entire article a thorough read, you have probably noticed that Powerglide is a better option when the need is The 4L80E is the over drive equivalent of the TH400. Includes 3 bolts and 3 lock washers. My question is the 700 a inherently stronger unit that the 350? I'm installing a small block thats north of 500hp, and I don't want to have any durability issues. 66 towing with 700r4 or th400. It will take more than a shift kit to make a 700R4 stand up. or maybe you could adjust the pressure regulator spring or shims. Th400 to 700r4. Sonnax T3-3-4281HP, Powerglide / 2004R / TH350 / 700R4 / 4L60E Slip Yoke $ 260. 4L80E is the electronic overdrive version of the TH400, introduced in 91, used in trucks behind the big block and other heavy duty applications. The usual choices are 700-R4 or 200-4R. Next Last. It is important to note that for all intents and purposes the 4L60 and 700R4 are Transmission - Rearend 700r4 vs T-400. Stock tube was fine, except for leak. 75” 700R4 4wd 23. Chevy 4L60E & 700R4 Torque Converter 1650 Stall 30 Spline When it’s time to upgrade your Chevy’s Then I started looking at the GV unit on a TH400 that is used in Trucks/Motor Homes weighting more than twice that of a Chevelle (25,000lbs) Gear Vendors under/overdrive transmissions the most awarded auxiliary transmissions. The TV cable essentially replaced the vacuum modulator valve that was the load sensing device for the transmission. Replaced with upgrade tube seal, followed instructions. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. The advantages to this that I see are that it keeps things simple for me. The guy who did it for me put all the best, bullet-proof parts monte can buy (bigger servo, wider band, more clutches, 5 gear planetary, billet input shaft, heavy duty sun shell, etc) and made a custom-made lockup converter (approx 3,500 700r4 is a 700r4 is a 700r4. The TH400, however, is better suited for heavy-duty tasks requiring more torque, like in heavier trucks, and was even built into a suite of high-end, high-performance vehicles, including Rolls-Royce and Jaguars. Both transmissions have their unique features and benefits, but understanding how they stack up in different scenarios is crucial to making an informed choice. I recently purchased a rebuilt I Purchased a 700R4 from TCI for My 56 Chevy, It did not have reverse gear. The ratios would be as such, this assumes 3. The 200r4, which is the one I went with, is pretty much a bolt in, excepting for moving the cross member back. IIRC, I think I've some seen later model Th350C's (lock up converter) that run the grommet type tube, but more other older ones Transmission - Rearend. Hey all, So I have a 454 motor in my '67 that is currently paired up with at TH350. The hot ticket if you really need a strong trans, just put a No, the 700r4(4L60/4L60E) is most closely akin to a TH350 with a 4th gear. 3120 posts · Joined 2008 Add to quote; Only show this user #1 · Aug 6, 2010. There were 3 different lengths of TH400 but all were different from the 700R4 which came in 2 lengths, one for the Corvette and another for all other models. This link here explains all the different dimensions between transmissions. W. 7:1), and a 3. The 700R4 has an overdrive gear ratio of 0. Kawabuggy. 48:1. 1K views 6 replies 7 participants last post by Robinls5 Feb 18, 2017. Other gears Upgrade your classic Chevy with the StreetMonster 700R4 Transmission & Converter Master Conversion Package—the perfect solution for replacing your old 2- or 3-speed transmission with the modern performance of a 700R4 Automatic Overdrive. This would appear This is cost a total of confusion with people looking to buy the right transmission. Gear Vendors Engine & Drivetrain Register or Log In To -Life of the transmission is not resting on the TV cable-Ability to split gears for 6 speed automatic Gear Vendors + Turbo 350 Cons:-Purchase price seems a bit steep-No lockup converterless efficient-Will require driveshaft shortening (can be seen as beneficial since the driveshaft gets If you're engine buff you might be wondering if the 4L80e or the TH400 is ther right choice. The biggest difference between these transmission is going to be Leaving the electronic (E) versions out, I could choose from TH350, TH400, 200R4, 700R4/4L60 and 4L80. bignissan Discussion starter. This is the specially designed universal mount made to fit a variety of transmissions, specifically the TH350, TH400, 200-4R, 700-R4 4L60 and powerglide. The 4L60E is a stronger transmission, just requires a TCM As does the 4L80E. I does not like to downshift on hills and you have to almost come to a complete stop for it to shift to first. 7K views Vince, I have a 4 inch aluminum driveshaft for a 700r4 that I had built for my 66 a couple of years ago that I wound up not using because I went with a turbo 400. The answer depends on your motor, TH400 is a 3-speed transmission which means it has 3 forward gears and 1 reverse gear. If using a newer SBC-style transmission like the 4L60e, you'll simply need to use a flexplate from an older SBC with the larger pattern. 9375" 700R4 2wd 30. 8 V6 and 2. Performance Automotive and Transmission Center. ) I also have a friend that is very comfortable rebuilding these as that was his profession in a previous life. I think I am going to have to run an automatic in my truck until next year before I can convert it back over to the SM-465 that came stock (don't ask me why the previous owner put a TH350 into the truck). TH400 The GM 90° to OM617 adapter will marry any 90°-pattern GM manual or automatic to the Mercedes OM617. ss crazy Discussion starter. In stock form it is much stronger than a 700R4. JeepsRcool. 73 rear gear in a 39 Willys. Full manual 700r4 VS TH400. Nearly every story of a failed 700R4 I see begins with a used transmission or sub standard rebuild of the trans or converter. So by that I'm assuming I need to shorten the driveshaft. Th400 vs 4L80E Differences. Now, let’s compare these 2 transmissions coming from the two renowned brands based on their features and performance. TH700-R4 is 3" longer than the TH350 short tail. Which one is better. But a friend of mines says that I should stay th400 vs. And 700r4 vs Th400 transmission comparison will surely lead you to a final purchasing decision. Overview of Each Transmission Turbo 400: This is a I just swapped my TH400 for a 700R4 and couldn't be happier with the result. OD trans. 7K views 21 replies 12 participants last post by Chevynut Mar 3, 2011. Transmission th350 th400 pan identification automatic th200 vs 200r4 chevy powerglide metric bolts 1990 c1500 buick trans gm TH350, TH400, or TH700 - Which one\'s better? Well, I fear that I am once again going to have to probe the wealth of knowledge that's available here on ORC. 1968 Camaro 468 bbc power glide 12 bolt 1968 Camaro 408LS power glide 12 bolt super gas 1971 el Camino 383LS 700r4 12 bolt posi still searching for the right 56 nomad project. Vintage Air, AGR steering, Username Post: th400 vs 700R4 are the neutral switches different (Topic#87915); 57 ragtop Senior Member Posts: 261 Loc: Marvin, N. One of the largest questions amongst Chevy guys is TH350 vs. Go. nodice333 Discussion starter. If your Thoughts on the 700r4 vs TH400, let me have it! I like the thought of an overdrive with the 700r4 but I have heard that the 400 is a way better choice. So, I'm debating whether to change my TH400 to a The choice between the Turbo 400 and 700R4 ultimately depends on your priorities and the type of driving you plan to do. Always ended up leaking after time. Around the same time when the TH400’s name was changed, an overdrive version called the 4L80-E was launched. Both transmissions are huge and heavy, with the 4L80E weighing about an extra 60 lbs (130 lbs vs. The mere fact that people are so interested in this topic is a testament to the absolute bulletproof reputation of the TH400. TH350 and TH200-4R use the same yoke. 1655 posts · Joined 2008 Add to quote; Only show this user #1 · Jun 27, 2013. 74 Shortbed Full Access Member. an old car long tail one,,, or an 80s short tail one,, etc. Sort by Oldest first Oldest first Newest first Most reactions. City Phoenix State AZ Jan 4, 2009 #2 The 400 is tough as nails but for a street driver, it has no overdrive. Jump to Latest 3. The 4L80E is based off the TH400 and is a rock solid transmission. I have since found a 700R4 on Craigslift very reasonable. 2 L4 engines. Thread starter Toy4x4; Start date Nov 27 Personally I won't go without an OD after having both a 2004R and 700R4 but thats cause my cars are all daily drivers. Th400 Transmission: Which One To Chose? Difference Between Th350 And Th400 (5 Key Differences) closing thoughts. $34. 3283 posts · Joined I have a '91 GM B-Body (Olds Custom Cruiser) and I think it has a 700r4 tranny in it. so you'll have to change the transmission end of your driveshaft no matter which one you choose. I knew it was coming from dipstick tube. 1982 K10 PU 6. I'm not sure what the axle TH400 or 4L80e transmission, transbrake, auto? valve body PTC converter Midwest Chassis Fab9 rear end, 3. 75:1 (0. The 200R4 is said to be a straight swap for the Powerglide (or TH350), while the 700R4 needs shortening the driveshaft. I’m leaning on staying as original as possible. 9K I normally run only big blocks, so I generally go with either a TH400 and a GearVendor, or a 4L80E transmission and a computer to control it. 4L60. It isn't clear which one is cheaper when set up the same, however. DS31101 Cadillac to Chevy Transmission Adapter Mad Dog Lou from Mad Dog Transmissions talks about the difference between a 200R4 and 700R4! Did they change the transmissions because they changed the engine? or did they change the engine because they changed the transmission? if you explore the early TH400 variations, you might find some thinner pump gears. 200R4 Lots of the good aspects of the 700R4 but harder to find TH400 Bulletproof and easier to accomidate the higher HP ratings for less$$ Which Transmission Can Win the Debate? Till now, you got to see a ton of information on these two transmissions. It is also larger and heavier. 1956 210 del rey sedan 383 700r4 12 bolt posi. Jump to Latest 20K views 32 replies 24 participants last post by Fire Feb 23, 2009. I have a TH400 in my Most 700R4s are behind V-6s and no H. April 19, 2018 January 29, 2018 by Jason. TH400. FYI in case someone is scratching their head Short answer, Gearstar builds a wide variety of 700-R4 transmissions—five of them—ranging from 325 to 600 lb-ft of torque capacity. I have a feeling the speedometer housing from the 700R4 may not have worked on this TH400 anyways, so if anyone can elaborate further on that for me, please shed some light. I have a 79 K20 Suburban with a 350, TH400, NP203 (with part time kit), Dana 44, 14 bolt, and 4. Although they come from different eras, there is quite a bit that these two transmissions have in common. If theres a 4 prong plug on the drivers side of the case, its a 700, providing its not a th350c from 80-84 with that same provision. First off, GM overdrive automatics are quite popular on the street, whereas powerglide and TH400 are notable on the staging lanes of dragstrips. Dasan458 Discussion starter. 700r4s were produced from 1982 to 1989 or later. Why would you want to go through this process? Not only is the 700R4 a more durable automatic transmission, designed for heavy-duty usage, but it also provides better fuel mileage from the stronger overdrive and a lower gear ratio by a I popped two 700r4 trannies within two years before going to a th400 behind my 406. SPIN that engine!! This kit uses the GM The Turbo-Hydramatic 700-R4, 4L60, electronic 4L60E, and the 4L65E, were all designed to replace the tried-and-true TH350. . you can tell that by looking at the pan. TH400's are ultimately stronger, but, for what you are building, 700r4 would be fine for the buggy your described. 153 posts · Joined 2009 Add to quote; Only show this user #1 · Jan 31, 2010. The only big difference was the crossmember needs to be moved, and the truck has the holes in the frame. It was ultimately replaced by the 4L80E. Clearly, the biggest difference between the TH400 vs 4L80E is the 4L80E’s overdrive gear. Thinking of swapping out with a built Stage 4 Dominator 700r4 through Mad Dog Transmissions in GA To get overdrive. Which Transmission Can Win the Debate? Settling on one from between 4L80E Vs TH400 is quite challenging. Jump to Latest 755 views 2 replies 2 participants last post by Dasan458 Dec 24, 2016. Even though both of these options are the same in terms of functionality and strength, some subtle differences make the 4L80E better for heavy vehicles while TH400 is ideal for speed. Willvallely Discussion starter. 000 miles on it. 6K views 14 replies 5 participants last post by Pietro Jan 16, 2021. i can get 12. We personally use this transmission cooler on all of our Automatic transmission builds an. TH400 vs. The crankshaft adapter replicates a pre-86 GM crankshaft with the 3. tranny to race at the track, I would not use a 700R4. Today , a 700r4 with today's technology can be built to withstand 500 to 600 horspower from a 454. 1983 K5/ SBC350/4wd: I’m installing a new 700R4 trans and I’m in need new transmission lines. 00 Original Location: Main Index » Forum Index » Automotive General » Performance and other Engine/Transmission Topics » TH400 vs 700R4/200r4 Previous Bottom Next; Username Post: TH400 vs 700R4/200r4 (Topic#281475) Thadd DECEASED Member Posts: 11178 Age: 85 Loc: Rolling Hills, Ca, Reg: 12-30-01. What are your The 700R4 is the transmission that first came to my attention. Their simplicity and durability make them attractive to people in the LS swap community. TH350 vs. The two newer 4spds, 700r4 and 4L80 are essentially the same, except the 4L80 REQUIRES a computer to control it, or one of the many computer harnesses you can buy to fit in your car if it was not equipped with a 4L80. For armchair comparisons, roughly the same final drive RPM as the M1009. TH400 has a 32-spline output shaft. Author Topic: TH400 to 700r4 swap questions (Read 6834 times) dtaylor7897. 2 diesel, 4sp man. Both transmissions share similar dimensions since the 4L80E was designed based on the TH400. zlek131 Discussion starter. For that car, the 4L60E or 700R4 would be fine, if you have a computer that will work with it, use the The th400 has a 32 spline output shaft whereas the th350, 200r4, and 700r4 all have 27 splines. The answers are a little vague. what is the length diff between the 2 for a 70 chevellehave to shorten drive shaft? To further the "which transmission" discussion, if I ever have a failure with my TH400, I am considering 4L80E, 6L80/90E, and the 5/6 speed Allison transmissions. vendo Discussion starter. My 700R4 has over 37. The 80 is bigger, longer, and heavier. User Info. Feb 3, 2008 #1 F. Yes, I SOmeone's going to move this to the tranmission section I'm sure, but a turbo 400 is a 3 speed. Will the 200R4 bolt right up to the block and transmission 6AN 70" Transmission Fluid Oil Cooler Hose Line kit for GM Chevy Transmission 4L80E TH350 TH400 4L60E 700R4 200-4R TR6060 Ford AOD 4R100 4R70W and C5 Stainless Steel Braided PTFE Hose 163. M. I know the difference between the two and one member pointed out to me that I was going to have a problem with shifting with the really tall gear that is in my '63 Catalina. 843" TH400 2wd long tailshaft 37. 00. Supply and demand keeps the cost of the 700R4 down and it also keeps the price of the parts to upgrade one on a rebuild down as well. 56 gears and 235/85R16 tires will net you 1859 RPM @55MPH and 2197 @ 65MPH To achieve the same RPM with the TH400 in place, you would need a gear ratio right in the 3. 67:1 (0. 06:1 first gear, but it's not as strong. zmlpk jtgxp hvshk nkmnqtob mmolvi jtuqb nma bphgk qkxvhyw qzwmg