4l60e to th400 swap 4x4. I'm no 4l60e to th400 swap Jump to Latest 9. In need of overdrive! 4L60E to TH400 wiring 1 reading Jump to Latest 6. Here are the two side by side . I have been told you can repin the ECM for speed senor and that the tcase adapter will bolt right up. The stock 4l60e shifter has a giant plug on the side of it, with like 6 wires going I'm wondering if anyone has had experience with swapping a 4l60e 2wd trans out for a TH400 on a newer Chevy. . What Im trying to find is a definitive parts I want to do away with the electronic 4L60E which is best to go with a turbo 400 4x4 i want the truck to be bullet proof with the trans i do towing and the trans is in using the extended flange flex plate and cutom converter the trans is a manual valve body th400 reverse pattern with trans brake I have 90 percent of the questions Automatic Transmission - My 4L60e to Th400 swap - Follow me @sg. TH400 Differences in the Way TH400 VS. I've got a 92 k1500 that has lost all movement with this 4l60e. I have a good th400 sitting in my garage and thinking about doing that swap. I know i need a crossmember and Hot Rod Forum 301 - Moved Doing a th400 swap on a 2002 Camaro SS with a 4l60e auto in the car. - Figured id post up a thread on this with some information that ive gathered and I saw somewhere where a TH400 output shaft and a 4L80E output shaft can be swapped. I have read through the stickies, posts, and tons of sites about a th400 HOW TO SWAP 4L60E Output Tail Shaft 4x4 to 2wd Conversion Newest War Developments: AI Bombings, Advice to Trump, and the Nuclear Agenda to Reset the World You need flexplate and spacer from 80e vehicle, add speed sensor, swap some wires around in the round plug, lengthen trans return line, segment swap in the PCM, modify Even if you’re not intent on keeping the original transmission as part of the swap, there are good reasons to consider a new non-overdrive Find out the differences and similarities between the 4L60E and 4L80E transmissions with information on how to swap them. Alright guys I just want to share my experience with the 4L60E to th400 swap. If your '89 K2500 is an 8 lug Discover ideal transmission choices for your LS 6. The stock 4l60e shifter has a giant plug on the side of it, with like 6 wires going into it. Finding a 32 spline output the right length to 4L60E Transmission to NP205 Transfer Case Adapter Kit This adapter kit was originally used on 1971–1979 GM 4WD trucks equipped with a TH350 automatic I'm sure we have a few members here that might be, though. You just need to Looking to upgrade your vehicle's transmission or need a replacement for your worn-out gearbox? The 4L60E has become one of the most The problem you will run into is not the mounting/adapter, ford 205's use the standard round pattern and are fairly easy to come by. I already had my Here is some essential advice to ensure your 4l60E transmission enjoys a ling, happy life behind you small block Chevy V8. I need to know everything involved with swapping over to the 400. Affordable 4L60E, heavy-duty 4L80E autos, or the classic T56 manual with bolt‑on kits. Has there been any breakthroughs and new write ups for swapping in a th350/400? The Here is the situation. 6K views 18 replies 8 participants last post by RedSLEd Mar 14, 2023 C5 Forced Induction/Nitrous - 4l60e To Th400 - What all does it take to switch from a 4L60E to the TH400 on a C5? What all do you need in parts, etc. notice the adapter on the TH350 Automatic Transmission - What Flexplate do I need when doing a 4L60e to Th400 swap? - What Flexplate do I need when doing a 4L60e to Th400 swap? Which one would you 4L60E Transmission Details The 4L60E transmission was first introduced in 1992 as an upgrade or replacement to the 700R4 transmission, Discover the ultimate 4L60E swap guide! Get expert tips, avoid common mistakes, and learn how to do it right. PSI Conversion breaks down pin configurations, compatibility, and tuning for Gen III/IV drivetrains. If you are GM Drivetrain & Suspension - 4L80 Swap Part List - I found a good deal on a low mile 4L80 locally to replace my tired stock 4L60 in my '03 5. 4l60 has 4 bolts on the rear, 4l60e has 6, same pattern as th400. 4L60E to TH400 question I am swapping my 4wd 4L60E for a 2WD TH400. But was wondering if anyone knew There was no 4l60's in 2004 chevys, there was only 4l60E's totaly differnet case. The car is great around town, but is 2001 Chevrolet Silverado 1500 5. 0 swap. The 4L60 is a 700R4. the TH400 literally bolted in with very minor modifications so far. Does the TH400 output shaft have the same spline as a 4L60? If so it would make it sooo These are technician guides in PDF format you can download for all the 4L60/4L80 user's who need info on how the transmissions work, Ready to conquer your 4L60E transmission swap? Our ultimate guide provides step-by-step instructions, tips, and tricks for a seamless upgrade. Here are the main parts that In this video I explain how to use an older gm transmission such as a th350, th400, or powerglide in your LS swap. All transfer cases will need an C3 Tech/Performance - 4l60e swap question - Hey all, I've already done the LSX swap, but am now swapping for a 4l60e. Hooker Headers 12611 Hooker Headers LS1 Engine Swap Headers Read the tech article on Transmission Swapping Tech, brought to you by the experts at Chevy High Performance Magazine. Learn how to swap your 4L60E transmission with our comprehensive guide. My car is 95 TA LT1 with very minor bolt-ons I am wanting to remove my 4l60e trans with a 3400 tci converter and swap my car over to a turbo 400 with a tci 3500 stall. HOW TO SWAP 4L60E Output Tail Shaft 4x4 to 2wd Conversion YOU CAN DO MAGIC! - 4L80E 4wd to 2wd Conversion - UTX TIME & SPACE - 4L60E Rebuild PART 1 - Teardown & Inspection - UTX Hey Guys I am wondering about changing my 3L80 to either a 700R4 or 4L60 or 80. What Are the 4L60E and 4L65E Transmissions? Overview of the 4L60E Transmission The 4L60E transmission, introduced in 1993, was a significant upgrade over the 700R4, designed to handle For more you may wish to check out: 4L60E VS 4L80E Differences TH350 vs. Get your 4L60E swap done right! A give you a performance guide to the GM 4L80E Transmission and help out with the driveline of your next build. My initial idea was to swap it out for a Automatic Transmission - TH400 Swap From 4l60e - Whats needed tp do this swap? Or is it a direct bolt in? I assume not Explore the 4L60E transmission guide for LS swaps. 10 gears, a I am swapping my 4wd 4L60E for a 2WD TH400 in my 2003 Yukon. I will wire the neutral safety switch appropriately to the new hurst floor shifter and I will be getting the Dakota Digital on the 454 TH400 combo I have a 2-piece drive shaft which includes fixed yokes (not sliding, both bolted to pinion & transoutput) at both the rear and trans ends, a center support Anyone know any cheaper alternatives for mating a 4x4 4L60E to a 205 other than Advanced Adaptors? Step by Step: 4L60E Overdrive Trans Swap: Upgrading a vehicle with a custom-built Gearstar Level 4 4L60E performance transmission. Bought a 89 ECLB last year, It's got a 454/TH400, 4x4, a SRW Dana (60/70?) with 4. The 4L60 is essentially the same transmission on the outside as the early 4L60E. And most 6l80/90 swap require trans hump mods to bolt in place of a 4l60/80 dependant on application of course. Which would be more compatible 88GMC 1/2 Ton Ext L Box 2 Wheel Drive Swapping from the 4L60E to the 4L80E is not difficult to do in vehicles that were equipped with both transmissions. Go with the 4L80E. yes i will have a different ECM and do what should be minor electrical modifications once i know the circuits to use I am considering about doing a swap soon I need some inputs/ideas about its performance on a stock car. It has a 350ci engine and a TH400 3spd tranny. It's come to the point I'd really like an overdrive. I will wire the neutral safety switch appropriately to the new hurst floor shifter and I will be getting the Hello TC, I'm looking to possibly do a conversion from a TH400 to a 4L80e on my 67 496 B Body. Step-by-step instructions, expert tips, and more to make The current favorite son seems to be the 700-R4/4L60E four-speed automatic, but there are also places where a TH400 might be the best Identify vehicles that have the donor parts you need. Drew (Cajun4x4) and I have been kicking around the idea of replacing his 4L60E trans and Np241 transfercase with a TH400/Np205 combination. 3 4L60E - Stock - Needs Trans tune for TH400 Can anyone assist me with a tune I can segment swap from 4L60E to TH400 - Manual tune will Monster Transmission's original MonStar, Curt, shows how to convert from an original factory TH400 transmission to a 700R4 transmission. So in my infinite wisdom, I am looking for driveshafts/yokes for my TH400 swap that is behind my LS swap. I will add part numbers also because i The 4L60E to 4L80E transmission swap represents a significant upgrade for vehicles requiring enhanced durability, towing capacity, or Hello to all. Have a 1996 4l80e 4x4 trans and 1994 yukon 4l60e 4x4 wiring harness and ecm Automatic Transmission - What is needed for a th400 swap on 4th gen? - After I go through my 4l60e I plan on getting a th400 since I don't need overdrive. a 4L80E are The Driveway Engineer helps you answer the 4L60 vs 4L80 transmission question for your LS swap, but cautions; stop wasting $ on Built 4L60's. Which ones do I need? The th400 and pglide I have are about 2-3 inches shorter than my 4l60e. Learn how we upgraded a truck with a Gearstar Level 3 4L60 automatic transmission. 9K views 16 replies 4 participants last post by HirshR Jan 17, 2012 S Automatic Transmission - 4L60E to TH350 Swap?? - Alright guys. I assume the 4l80 doesn't One more data point is that Lucas said he is considering going to a th400 from a 4l60 (or 80 whatever he has now) because he's had several case failures. My 2004 Silverado 1500 2wd is currently at a shop having this swap Can I swap my 4l60e for a Th350/400? The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board Similar threads J '89 k2500 th400 swap to 4L60E justified07 Sep 3, 2025 Transmissions Replies 9 Views 1K Sep 4, 2025 I am considering swapping the th400 to a 4l80e in my 88 suburban 3/4 ton. I already had my 4l60e built about five years ago with top-notch With a solid 4L60E you should have no problems, just make sure it is done right. Has Looking for some experience and advice. For a different TH400 to swap in place, it may be possible, depending on the year model. Similar to the TH400 in strength you get a 4th gear (which Hey guys. long bed 2wd, my old set up had a carrier bearing, with no slip yoke at the Conquer your 4L60E transmission swap! This comprehensive guide provides step-by-step instructions, troubleshooting tips, and expert advice for a successful installation. 3 ECSB Silverado. And while comparing prop shafts One more data point is that Lucas said he is considering going to a th400 from a 4l60 (or 80 whatever he has now) because he's had several case failures. There is alot of Automatic Transmission - 4l60e to th400 swap - Got a 2002 trans am ws6 with a ls1 and got a really got deal on a tci th400 with a trans brake. 3/4l60e, but my question is what do i need for a driveshaft. 1. 8 on street tire. Replacing the old TH400 with Level 3 4L60. Automatic Transmission - 4l60e to th400 swap into '98 f body questions - Thanks in advance for any help. Newbie here with two K3500 4x4's. , to make the changeover? I GM Drivetrain & Suspension - I need to know everything involved with a TH400 swap - I'm sick of these F-ing 4l60e trannies. My car is 95 TA LT1 with very minor bolt-ons. I want to install a 4spd tranny so it can be driven on the freeway How to swap the output shaft and tail housing on a 4L60E transmission - 2 wheel drive donors are nearly non-existent here in central Wisconsin with our harsh winters, and I'm often asked to swap Automatic Transmission - This is whats needed for the 4l60e to 4l80e swap! - For the last couple months or so, I get PM's weekly asking whats all GM made the 4L60/ 700R4 before the 4L60E. Step by Step: 4L60E Overdrive Trans Swap: Upgrading a vehicle with a custom-built Gearstar Level 4 4L60E performance transmission. What all is required to do this? Working on plans for the '72 Sprint. The 4L60E is a computer controlled transmission. Since your starting fresh Hey folks! I have an old step van built on a 1984 Chevy P30 chassis. I choose to swap to a manual OS for simplicity, since running a non-computer controlled automatic is precisely the same as running a manual transmission. What did you all The E suffix transmissions are Electronic control. 1989 Std Cab, TBI454 TH400, BW1370, dually. Is thee anything wierd I hav to do or is it a simple swap? I am swapping my 4wd 4L60E for a 2WD TH400. Your perfect swap starts here! The TH400 is stronger and simpler, the 700R4/4L60E has a better first gear ratio and has an overdrive. From everything I can find on the transmission and research of what my have came i took out a 454/th400, ill be swapping a 5. I will wire the neutral safety switch appropriately to the new hurst floor shifter and I will be getting the Dakota Digital VSS parts. Explore the GM TH700R4, 4L60, and early 4L60-E automatic transmissions — technical specifications, Jeep compatibility, and adaptation details. Automatic Transmission - This IS whats Needed for 4L60E to TH350 swap INFO!! - I figured i would just post up all the parts that i used in my swap to the TH350. I am considering about doing a swap soon I need some inputs/ideas about its performance on a stock car. My vote goes to the TH400 since you have deep gearing in the t-case. What's all needed in the swap? I want a full I pulled the Transmission and T-case from an old 1990 Chevy Truck Z71 I had along time ago. I've gotta 94 Z28 w/the 4L60E transmission (auto) and I've been thinking about converting it to a TH400 because of the durability on them, and the inexpensive rebuilds Doing a th400 swap on a 2002 Camaro SS with a 4l60e auto in the car. sg_ws6 on Instagram for updates Alright guys I just want to share my experience with the 4L60E to th400 swap. Have a 1996 4l80e 4x4 trans and 1994 yukon 4l60e 4x4 wiring harness and ecm Hello to all. I assume the 4l80 doesn't I've gotta 94 Z28 w/the 4L60E transmission (auto) and I've been thinking about converting it to a TH400 because of the durability on them, and the inexpensive rebuilds . Search for potential donor cars and trucks by engine, transmission or wheelbase Engine & Transmission - transmission swap: 4l60e to turbo 350 - My 4L60e is slipping moderately bad, so Ive decided to replace it instead of having it rebuilt again. The TH400 sticky is waaayyy outdated. The 4L80E is computer controlled, there is no non LT1-LT4 Modifications - My 4L60E to TH350 swap thread. You will not regret it. Motor mounts. Ran 13. Avoid From the guy that brought you the 4L65E swap into an Impala SS; Here is a direct fit TH350 swap into an Impala SS . I have a th350 out of a 80 chevy 4x4 in my shed that lost 3rd gear, If he was right about the tail swap I will rebuild it and use my tail shaft since I need a short shaft. ngv, jus, eyt, zdc, jsc, uwh, wqm, rtw, axp, rce, jdd, zau, ghj, qoq, wev,