4l60e to th400 swap 4x4.
Mar 12, 2015 · I'm going from a TH400 trans, to a 5.
4l60e to th400 swap 4x4 Beginning in the early nineties, the 4L60E began to be the go to transmission for GM light duty cars and trucks. Dec 14, 2009 · Motor mounts. Can anyone assist me with a tune I can segment swap from 4L60E to TH400 - Manual tune will work - non-elect auto. Jul 23, 2011 · You appear to have an motor that was used in the C3 GMC's hence the dished 3 bolt flex plate. 70 Apr 19, 2007 · ~ The wiring harness, and harness adapter from speartech. if I upgrade, it will be to an SCS drop case. TH400-np 241/np208 output shaft. the tranny and tcase are coming out of my dads 97 k3500 cab and chassis. 1 2. Jun 25, 2012 · Been contemplating this for my truck (1972 C10 with a 2-piece driveshaft). 80 mm vs. I would of much rather went with a Sep 2, 2021 · If im in the woods or mud bogging, i want something stout. 0, 4L80E, and 205 t-case (from a TH400). Mind you I was on a bench, I'll admit, but still man, it shouldn't take long once you've drained the pan and dealt with the necessary valve body BS. 2L D. You can have the case machined to fit the larger bearing and put the 32-spline input shaft & matching bearing into the 10-spline case but since you have two complete NP205's you could just swap out the output yoke parts and not have to machine anything. It took me years of periodic research to gather all of the necessary information before I started my swap. Apr 5, 2008 · So any one will have some ideas on the time gain/lost after I swap to th400? The 1st gear will obviously be a lot longer (less torque) My car is pretty much stock at this moment. I'm aware of the driveshaft probably needing to be shortened (looks like I've got a 6" tailshaft on the TH350, but I haven't measured it to make sure) and plan to use a MegaShift for the electronics, but have a couple unanswered questions. If you did the 6L80 with a 2 speed 2:1 case your tops speed in low range would be great. I have a 700r4 HD (K model) with np241 (from 1990 Z71 4x4) and want to put in for the 4th Gear. or 4x4 1/2 ton suburban But the immediate swap solution is a 1990-1991 np241c. Apr 15, 2016 · 1350 u joints and yoke: sealed vs greaseableyour choice. A TH400 pedestal will almost, but not exactly fit the back of a 4L80E. ive been through a few so far that can not even handle 35's let alone 44s. Apr 1, 2009 · There was no 4l60's in 2004 chevys, there was only 4l60E's totaly differnet case. Is thee anything wierd I hav to do or is it a simple swap? I figure I'll need a crossmember but i don't know if I need anything else. Dec 18, 2005 · here's the project to be, I have a Th400 in my Coupe behind a SBC-350, after the summer and all the long trips to shows I have be thinking about swapping the Th400 to an 4L60E out of a 97 Chevy 4WD pickup that I picked up. 3. Fingers crossed for 65 mph without high RPM's on the 6. All were semi-built running reverse manual valvebodies. I will wire the neutral safety switch appropriately to the new hurst floor shifter and I will be getting the Dakota Digital VSS parts. 06, 2nd 1. You best bet is to put a 4L80E in that tahoe. Save up a few extra bucks and do it right, besides how many thousands have been wasted on new trannys already. The 80 came out of a 1991 Chevy van with a 5. 0/th400 swap into my 83 ford ranger Here's there truck The beastly 2. 07 gears 70ish J4000 Buick style TH400/dana 20 Engine swap parts: 2005 Chevrolet 5. To run the th400 remove the dish flex plae buy the spacer And longer crank bolts. Winstead points out, “T he TH400 and Powerglide can be built to be significantly stronger than a 700R4 or 4L60E transmission. TH400-np241 transfer case adapter. buy the th400 input, generally 100-125 bucks. It’s not the easiest swap to do, and a 4L60E can handle a lot of power on its own. 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 Oct 3, 2011 · well the 4l60 in my 01 half ton silverado gave up the ghost about a month ago, broke the planetary cage and no 2nd or reverse. he is sick of having a standard tranny and wants an auto so i told him i would swap a 4l80e in. AOD to Dana 20 Stage 2 4x4 Sep 12, 2022 · 4L60E to Th400 swap 94 ecsb. Feb 21, 2017 · C3 Tech/Performance - 4l60e swap question - Hey all, I've already done the LSX swap, but am now swapping for a 4l60e. I was thinking about doing an NV4500 but can't find any other builds like this. 75, 3rd 1. Aug 31, 2010 · TH350 to TH400 Conversion, Swap The 1967 - 1972 Chevrolet & GMC Pickups Message Board which were superceded by the 4L60E. 4L60E. the mount will be in the same place, so crossmember should work. It is without a doubt cheaper to have the 4l60e rebuilt stronger. 06 first gear, 1. (for long run, that's why i am considering about changing to th400 rather than keep the 4l60e) for reference: 4l60e: 1st 3. Feb 26, 2020 · In this video I explain how to use an older gm transmission such as a th350, th400, or powerglide in your LS swap. orangefj45 · Registered. Jun 27, 2001 · they have the kits in summit and jegs. Upgraded ACA-1800 Adjustable Column Shift Linkage Kit 21” Compatible With GM 200-TH200 350-TH350 400-TH400 4L60E 4L80E TH350 TH400 700-R4 transmission linkages, w/ 3/4"-48 Splines 4. get a 2wd th400. With a solid 4L60E you should have no problems, just make sure it is done right. Dec 29, 2015 · I have a 95 2wd 4 door tahoe with the 4l60e in and have a better th400. The 80 we have was recently rebuilt having less than 5000 miles on it. The other harness that comes with the kit it the VSS plug. 4l60 has 4 bolts on the rear, 4l60e has 6, same pattern as th400. 3 motor and a 4spd 4l60e transmission. 3/4L60-E (2wd) I have quickly figured out that an LS swap is no where near cheap or easy in one of these Jeeps. 00, 4th 0. 2. OTHER VIDEOS IN THIS SERIES:4L60e to 4L80 Jan 8, 2012 · Today I tore down and completely disassembled a 4L80E, 4L60E, and a TH400 all within an hour, down to the last thrust washers. My car is a 2000 Z-28 with the original LS-1 Thanks. Mar 16, 2012 · 4L60/4L80 user's who need info on how the transmissions work, powerflow, and has alot of breakdown's and such of mechanical and hydraulic systems. It will however bolt up to the motor just fine, but that's the only easy thing in this swap. As above we're doing a 1991 4L80E swap into a 1995 4L60E GMC Yukon. 2L Diesel CUCV. May 5, 2019 · I've got a 92 k1500 that has lost all movement with this 4l60e. Current Gears: 4. Nov 7, 2019 · Newbie General 4x4 Discussions 4L60E to 4L80E swap. What did you all do for the output yoke on the trans? Curious what I need to do for the driveshaft as my TH400 had a much larger yoke. And while comparing prop shafts between my stock 1995 C1500 4L60E RCLB driveshaft(15004101), and the one for an 88 C2500 TH400 RCLB(12475006), I noticed the yokes are identical part numbers 12542963. Mar 13, 2008 · What would be required to swap a 4L80E into an 88 Crewcab 4x4 3500 that had a TH400 and TBI 454 from the factory? Could you swap in an ECM for a 91 truck with the same motor and a 4L80E to control the transmission? Nov 3, 2009 · 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 bearing, and an intermediate sliding yoke just aft of the support bearing. 10. Wiring. I imported the car from USA last summer. The 4L80E output splines are the same as the TH400. and im pretty sure the NV3500 and a 4L60 dont use the same output shaft, so you would have to get some more parts. 76 Oct 29, 2008 · so i have a 99 burb that i SASed and i want to swap in a nv4500 into it. The 1995 Yukon we're putting it in has what's left of a 4L60E behind a 500+hp 383 Stroker. A stock 700R4/4L60E will be limited to around Apr 27, 2022 · Or at least a th400 and 4L80e is 31 spline. 1)- its a 1 ton Oct 4, 2014 · I'm wondering if anyone has had experience with swapping a 4l60e 2wd trans out for a TH400 on a newer Chevy. Hooker Headers 12611 Hooker Headers LS1 Engine Swap Headers 2. This is very slow while driving around. Home > TECKPAK Trans Swap Kits, Tools & Solenoids > Trans Swap Kits > 200C to 350 (2X4) > 3-70A 350 4X4 To TH700-R4 4x4 transmission swap kit for NP203 & 205. 2/4l80e combo. about $80, if i remember correctly. They use the LQ4 and 4L60e. 1)- its a 1 ton Dec 26, 2019 · This is the 3rd video in the 4Wd 4L60e to 4L80e Transmission Swap Series. The stock 4l60e shifter has a giant plug on the side of it, with like 6 wires going into it. I'm hoping I will still like how it drives. the driveshaft will be the correct length, but need a th400 yoke. I would of much rather went with a Oct 4, 2014 · I'm wondering if anyone has had experience with swapping a 4l60e 2wd trans out for a TH400 on a newer Chevy. All of the 4L80's are electronic. 90 mm. My 2004 Silverado 1500 2wd is currently at a shop having this swap done, but I'm nervous about the outcome. 1989 Std Cab, TBI454 TH400, BW1370, dually. The engine swap its self doesn't bother me, its the transmission/transfer case/axles that have me Dec 23, 2020 · I have a th400 with np208 (current) behind a 6. Apr 19, 2007 · ~ The wiring harness, and harness adapter from speartech. Attached is the stock tune I currently have that needs the swap. When comparing the TH350 vs the 4L60E, there are many differences. I am looking to swap the trans and transfer case into mine to gain the overdrive. I gave one of my students a small hand file and told him to just go in circles on the cast iron TH400 pedestal until is fit the 4L80E. Mar 9, 2014 · 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. May 31, 2021 · Much to our surprise, the most significant difference between the TH400 and the 4l60E transmission is the first gear ratio — the 4L60E has a 3. Jan 11, 2012 · Hello to all. Body is rusted away but it has a plow and starts and drives great. Trans-Dapt Performance Products 4595 - Trans-Dapt Performance Engine Swap Motor Mounts - Overview - SummitRacing. 70 overdrive. It took him about an hour. Has anyone done a smiliar swap? Really want the O/D in this truck as just spins too fast on the interstate. Joined Aug 2, 2017 · Transfer case to 4L80E. Mar 12, 2015 · 85 Suburban TH400 to 4L80E swap The 1973 - 1991 Blazers, Jimmys, and Suburbans Message Board 85 Suburban TH400 to 4L80E swap - The 1947 - Present Chevrolet & GMC Truck Message Board Network Register or Log In To remove these advertisements. a 4L60e is not it. Thread starter 94chevc1500; Start date Sep 12, 2022; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include Sep 2, 2021 · If im in the woods or mud bogging, i want something stout. But thats it. The 2x4 output shft is longer and won't work with the stock adapter. Donor option one is a 4sp 4l60e from a 2007 silverado but im not sure if they are interchangable. GM made the 4L60/700R4 before the 4L60E. You shouldnt need driveshaft changes. I recently completed a 4L60E to NV4500 swap in my 2003 GMC Yukon XL. i was just wondering if anyone has done this swap 4L60E to 4L80E 4x4 Ext Housing Adapter and Shaft-Swap your 4L60E transmission to a stronger 4L80E transmission. Good thing about these PDF's is that the 4L60E/700R4 4L80E/TH400 internal's are similiar. Competitors Price $625. Mar 14, 2025 · TH400 ID Numbers: TH400 transmissions should carry the same partial VIN as the TH350, but on a TH400 look for it stamped into the pan rail on the driver side, just behind the shifter shaft. Finding a 32 spline output the right length to go into the 4l60e to mate up to the 205 will probably be harder. pdf Mar 14, 2016 · The recipient vehicle is a 2009 silverado 1500lt has the 5. Oct 19, 2013 · If you do the swap your definitely not upgrading the truck your down grading it screw the TH350 abd TH400 with all the tough overdrive transmissions on the used market these days why in God's earth would you want to go to old technology 3spd auto transmission. anyways, The TH400 has these things going for it. Mar 21, 2010 · find a 4spd 205 or a th350 205 with the smaller input. Nov 15, 2014 · Doing a th400 swap on a 2002 Camaro SS with a 4l60e auto in the car. the yoke was a th400 yoke, don't remember brand, go threw some of the other 80 swap threads and you'll get an idea on yokes and stuff or i can get you the part number for what i used if you would like, i have the paperwork for it here somewhere. So, there's a lot of TH400's out there. Have a 1996 4l80e 4x4 trans and 1994 yukon 4l60e 4x4 wiring harness and ecm complete. the bearing is like 40 bucks. 1. have it machined to fit the th400 input bearing. . 3 out of 5 stars Mar 6, 2011 · Here's some pics of my 6. Jun 24, 2007 · to answer your question, you will need 4 things. Naturally there's a whole section on using HPTuners for the PCM-related portion of the swap. Subscribe now - video 4 coming soon. The fab work for the crossmember is a piece Stage 1 4L60E 4L65E (98-05) NO CONVERTER 1YR WARRANTY Swap that Powerglide, C4, TH400, 700R4 or TH350 with one of our Packages. Feb 14, 2011 · OK, here we go. 7. I have a good th400 sitting in my garage and thinking about doing that swap. Will this bolt right in or do I have to make changes to make it work. The main 4l60e harness plug will not work with the 4l80e. 4. The TH350 and TH400 transmissions belong in the same place as carburators in the trash. 3 out of 5 stars Upgraded ACA-1800 Adjustable Column Shift Linkage Kit 21” Compatible With GM 200-TH200 350-TH350 400-TH400 4L60E 4L80E TH350 TH400 700-R4 transmission linkages, w/ 3/4"-48 Splines 4. I'm wanting a fairly simple swap. Shifter indicator on steering colum/dash changed so the wife knows wtf shes doing when she drives. Mar 31, 2018 · The TH350 was GM's go to transmission for light duty vehicles for at least 20 years. *2) 4L80E Cooler Lines – These lines are used to adapt to the factory lines with the use of AN Fittings. 62 second, 1. A lot of my friends have been having problems with their TH400's this season, especially last week out at the hammers. Mar 18, 2022 · I’m currently building a similar K5. ive spec'd out a 4l60 build but when its done its still a stockish 4l60e in a truck that doesnt do anything but tow and haul. If you start with a 2WD 4L80E transmission, all you have to do is trim the tail shaft flush to the backside of the TH400 adapter and slap the 205 on with the TH400 adapter. The 350 crate motor is putting out too much torque for an NV3500. 00 third gear. Mar 12, 2015 · I'm going from a TH400 trans, to a 5. com (Gregg suggested these) 3. Really ll you need is to swap the 32 spline input to 27 spline or find a 27 spline np241 and sell the 32 spline. Donor option two is a 4l60e from a 2009 chevy trailblazer no other info currently known They are both about the same price and have comparable miles. 00 third, and a . Jump to Latest modify crossmember, and a short th400 yoke will work. I will also be getting the proper flywheel and spacer. As an eBay Partner, I may be compensated if Nov 28, 2007 · yeah a 2wd and 4x4 trans wont directly interchange, you have to tear down each trans and swap the output shaft over. The car will not start with this un plugged. The TH400 had inch sizes and the 4L80E is metric. get the adapter, generally about 200-250 on ebay. Apr 18, 2009 · TH400 Swap for 700R4. Its a direct swap between the 700R4 Feb 13, 2013 · I have a TH400 on the floor which was pulled from a running, driving truck and was rebuilt not long before that truck was decomissioned. pdf Feb 14, 2011 · OK, here we go. 3/4l60e setup, so I'm needing a new yoke to match the 4l60e trans. Place spacer on crank side bolt together. The NP241 27 spline with round adapter will bolt up to the short 4x4 4l60. I had very good luck with the newer 4L60E bands as they are wider and have extra May 19, 2012 · Alot of guys have the Th400 and altas 3:1 2 speed and had to shift to high range only using 1st gear between every rock section were as im in 2:1 and my th400 will scream all three gears between rock sections. Has anyone done this swap or have info about it. pdf 4L80E. I've searched for hours with several threads saying so and so wire needs cut and these Nov 28, 2012 · 4l80 swap list: 4l80e transmission converter LC32 swap kit - Included in the kit are the below parts: *1) 4L80E Conversion Cross member – The Cross member is built with Laser Cut Plates and Chrome Moly Tubing. Jan 5, 2017 · 360/TH400 Quadra Trac (with low range) Dana 44's 3. The 4l80e has two VSS senors on the drivers side and the stock 4l60e only has one. I know I have to move the cross member and check engine light would come on from not having the electronics. Please help? 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. Here’s a good article on the 4L60E vs 4L80E. I probably wont go to an Atlas T-case. Best part is I got it for free. 48 second, and 1. TH350/TH400 Torque Converters; Dec 27, 2013 · I have a 99 suburban 1/2ton 350/4l60e ,, when my 4l60e goes out can I swap it for a th350/400? I know it's possible just tryin to figure out what I'd have to change? I'm building a crawler so strength is key, a 4l60e and np 241 aren't strong , I have a rebuilt th350 and np205 layin around I'd like to use,, any help would be great Feb 24, 2016 · 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 transmission to back your LS. Feb 17, 2017 · I am swapping my 4wd 4L60E for a 2WD TH400 in my 2003 Yukon. They are a few inches longer than a 400 so the driveshafts will both need to be modified, rear x-member and shifter moved back. Mar 17, 2005 · You will get no advantage switching from 4L60E to a 700R4. Easy stuff. Oct 10, 2012 · Looking around yesterday I found a guy selling a 1991 3/4 4x4 suburban with a 6. 3 lol The first test fit of the motor/ tranny Trimming to get the motor back further Building some headers Finished header I'll try to get more pics but I didn't document my swap very much Mar 9, 2014 · 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. Nov 24, 2019 · Repinning of the electrical plug, custom built driveshafts and many more things. First, some preliminary information about it. problem solved. Which ones do I need? The th400 and pglide I have are about 2-3 inches shorter than my 4l60e. the kit is probably just a mount for the torque arm-which i would think wouldn't be too hard to fab up. 48 first gear, 1. I picked up a TH350 yoke, and it fits into the trans just fine, But the U-Joint size on the TH400, and the TH350 is different. Feb 24, 2018 · Here are the main parts that you are going to need in order to make your own 4L60E to 4L80E swap kit. Hence the need for an 80. 2002 GMC Sierra RCLB 1500 4X4 SLE, 7 1/2' Fisher plow. The TH400 and 4L80E both come with a 2. Oct 19, 2010 · The input bearing on the 10-spline case is smaller in diameter than the 32-spline version. but i wonder how the computer will Feb 1, 2015 · TH400 to 4L80E swap and 1227747 to 16197427 swap I'm going to convert my 87 Chevy 4x4 - 350tbi/t400/np208 over to a 4l80e/np208 I'm swapping in a 16197427 controller and I believe there was a cal for that ecu and the 4l80e May 6, 2022 · Upgrading from a 4L60E to a 4L80E? Trying to figure out what you're going to do for a driveshaft with off the shelf, readily available parts? Here's your sol TH350 TO 700R4 4X4 Transmission switch kit, Order TECKPAK FITZALL Products, filler tubes, detent cables, transmission solenoids, dust covers, flywheel shims, 4L60E wire harness, axle stabilizers, wire connectors, cooling line fittings Apr 22, 2010 · here's my 2 bits, I have had 3 700r4's go out in trucks that I have owned and each time I have the trans re-built into a 4L60/80E/700r4 hybred by utilizing the 700r4 case, the pump and cluch packs out of a 4L80E, and a modified 4L60e valve body, the I have found that the 700r4 wouldn't stand up to the abuse of big tires and towing/pulling the 2 times I had a 700r4 trans built back stock they May 23, 2006 · 400 - 4L80e TRANSMISSION SWAP OK, here goes I replaced a T400 with a 4L80e in a 4x4 Suburban almost 15 years ago. i picked up some sealed spicers for mine. This code can be translated as described for the TH350. Mar 25, 2005 · 4L60E to TH400 swap ??? Jump to Latest 21 - 28 of 28 Posts. Aug 29, 2021 · I have a 1995 chevy k1500 z71 with a 4l60e and I am looking at a manual transmission swap due to issues I am having with the transmission. Speartech has and adapter the plugs into the 4l60e harness then plugs into the 4l80e. I decided to do the world a favor by creating a comprehensive Swap Guide. Newbie here with two K3500 4x4's. Nov 19, 2012 · I need some information, ideas and help on my project, 1990 Chevy V2500 Suburban, 4x4, SBC350 TBI, TH400. and yes i have the gearing for it. Apr 2, 2008 · The 32 spline is for a th400/4l80E. Jan 12, 2021 · So in my infinite wisdom, I am looking for driveshafts/yokes for my TH400 swap that is behind my LS swap. The 4L60E is pretty typical with the sliding yoke style at the trans. Mar 17, 2005 · You will get no advantage switching from 4L60E to a 700R4. I went 6. NP241 input gear. And yup the 4l60e is a darn good tranny when cared for properly and never allowed to over heat. I know 91 was the first year for the 4l80e and having it be in a square body suburban is rare. You’re going to need to run a new wiring harness to communicate with your ECM/PCM. It is in really good shape for its age, rust free. I really like it. Migtt have to elongate holes on converter with th400 holes. meykckxfzmiuakykodwgofnunpmlxolfzugawcnccccaluonxyrvdtanccvugcmudlxjbwl