Well on the 8' bed the with the TH400 the drive shift need to be longer if your switching to a TH350 or 700R4. This was also the point where he removed the linkage and transmissions-fluid lines from the trans case, clamping them back to minimize leakage. 10| Finn’s solution: base the floor for clearance. Ray says: September 2, 2018 at 12:52 pm. This swap to the TH700R4/4L60/4L60E transmission requires several changes. The 4L60E transmission has proven to be stronger than then original 4L60 and is installed in applications up to 8,600-lb. Bottom prop shaft is TH400 or 4L80E type with 32-spline output shaft. 4L60E to 4L80E Swap If you have checked the recent information in this article, you may have figured out already that swapping between these transmissions is … Add to cart. For 1997-07 GM LS1/LS6 engines (up to '09 for LS2) and 4.8/5.3/6.0 truck engines including L33, L59, LM4, LM7, LQ4, LQ9, and LR4. While the 3.06:1 First-gear ratio would appear to be an advantage over the TH350’s 2.52:1, the downside with the deeper First is the major rpm drop in the 1-2 and 2-3 gear changes that the 700R4/4L60 force upon you. LSX Innovation Billet aluminum 6AN transmission cooler adapter fittings. Not cheap pumps, good ones. However, the electronic aspect of the trans reared its head when we checked clearance for the vehicle speed sensor. The TV cable is the most important part of the swap. Swapping out a TH350 transmission for a TH700R4. I daily the truck, and have driven it in 3rd gear (same ratio as the th400 final) for a couple weeks and have zero complaints on how it's been on the highway. The 80e is a 3" cut and move on the crossmember, so I'm sure it's less than that. 6AN Transmission Oil Cooler Adapter Fittings GM TH350 TH400 700R 4L60E quantity. 02| First out was the driveshaft. 11| Here’s the new Gearstar 4L60E ready to be lifted into place. The overdrive transmission is longer than a TH350 that has a 6 inch tail housing. Any help would be much appreciated thanks The sensor uses a long plastic plug that we were able to shorten by a quarter inch, but it still hit the floor. 07| There are two 4L60E models: the one-piece case is an early one that came behind conventional small-blocks. The 4L60E automatic transmission has become one of our most requested transmissions for the Jeep transfer cases, listed below: Dana Spicer Model 18 (Jeep & IH, 1941 - 1971) The Dana 18 is found in 1941 -1971 Jeep vehicles. I just completed a gear swap and love the performance. But now I would like a overdrive transmission. GVWR. Swap a 400 transmission with a four inch tail to a 700R4 transmission: #1. A forum community dedicated to hot rod owners and enthusiasts. This is a one-piece. Beginning in the early nineties, the 4L60E began to be the go to transmission for GM light duty cars and trucks. It also sported a lower-than-usual 3.06:1 first gear, popular for off-the-line acceleration as well as off-road torque.There were some initial bugs in the earlier versio… The venerable TH350 saw duty in some of GM's most prestigious hot rods and is strong enough for most non big-block applications. The converter is already installed, you get the right amount of fluid, and there’s a proper dipstick. Each Gearstar trans in tested with the converter it ships with for the equivalent of 100 miles of driving to ensure that the package is in working order before it leaves the factory. 4L60E swap from TH350 questions 4L60E swap from TH350 questions. They just get too damn hot down there and burn up. With a short-tail TH350, there's an approximately 2.5-inch difference in overall length, bellhousing face to tailshaft, compared with the 4L60E; this … JavaScript is disabled. The drive shaft will need to be cut and a smaller yoke installed. This adjustable Lokar linkage attaches at the same position as the Turbo 350. 03| Finnegan planned to replace his headers while the car was on the lift, and removing the headers provides a lot of room for the trans to drop down, so those came off next. Check cooler lines, granted it’s a different model, but friend of mine had a 96 9C1 Caprice (4L60E), one of his lines rusted out, blew, and first thing to go was 4th…except his just went neutral instead of hitting 4th. Exchanging a Powerglide for a TH350 is a pretty basic swap. After lining the input shaft up with the crank, Finnegan slid the new trans into its home under the ElCo and bolted the torque converter to the flywheel. Come join the discussion about restoration, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! personally i would never swap out a working TH350 for a 700R4/4L60E, even with the added O/D. The th350 has closer ratio than teh wide ratio 700r4/4l60e. Put in an Aeromotive Stealth IN-TANK, haven't had a problem in 2 years. Just make sure the TV cable is correctly adjusted or you could burn up the trans. Electronic shift control is handled by the vehicles on-board computer system. The harness from the MSD TCM plugs into the trans here, at the top of the valvebody. Went through 2 in a year. 06| Here’s the “E” part of the 4L60E, at least what’s visible. #2. Introduced in trucks in 1993 and rear-wheel-drive passenger cars in 1994, the 4L60E (and its later, beefier descendents, the 4L65E and 4L70E) are fully electronic, computer-controlled transmissions. Elsewhere in this story we’ve listed the ratios of both the TH350 and the 700R4/4L60E. i mounted the dipstick to the heater box. Therefore I don't know how to hook up all the electronics or exactly what i will need to do so. Could be used as a basic guide for those wishing to swap a 700r4 in place of a three speed transmission. The TH350 was GM’s go to transmission for light duty vehicles for at least 20 years. I am having to change transmissions from a built th350 to a 4l60e, but it is in a 1973 nova and the 4l60e is out of a 1998 camaro. Because the transmission lengths are the same and the positioning of the crossmember can be easily modified, you need only change the transmission mount, add transmission cooler lines and change the shift indicator bezel to a TH350 shift pattern to complete the exchange. We chose to install it under the dash. SKU: 6AN250NPS Category: 6AN. 13| Although the trans is computer controlled, it still uses a mechanical linkage. This is a discussion on Swap from TH350 to 4L60E within the Automatic Transmission forums, part of the Drivetrain category; Trying to get away from computerized automobiles, but would like to get the decent mileage of an overdrive transmission. Swapping from the 4L60E to the 4L80E is not difficult to do in vehicles that were equipped with both transmissions. GearStar Performance Transmission 132 N. Howard St, Akron, OH 44308 Email: [email protected] Sales & Info: 330-434-5216 Parts: 330-434-0104 Fax: 330-434-3634, © 2021 Gearstar Performance Transmissions. Privacy Policy, 16-Speed: More Gears Than You Can Shake Three Sticks At, 2011 Chevy Silverado – Project Blue Bomber Finale, A High-Performance Trans for Supercharged V-8s, A New Transmission for the ‘ol Sedan Delivery. The cross member can be used in the same location, if you use a special 700R4 tail housing. This overdrive package adds up to a much improved driving experience. One thing to consider is that the 4l60e was named th350 and 700r4 before in earlier models and the 4l80e was named th400. I know those who LS swap the GMT-400 trucks ( '88-'98 ) use the '96+ fuel pump because the pressures are right for them. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. '87 tank with '96-'99 fuel pump should work. A TH350 with a 9 … Besides that, the new torque capacity leaves us one less excuse not to install nitrous! The stud for a th350 kickdown cable is in the wrong position and is likely why many overdrives are killed in short order. Just for reference purposes the TH200-4R is a bolt in swap for the TH350, but the trans crossmember has to be moved rearwards a inch or two. 04| After unbolting the crossmember from the frame and the crossmember from the trans, Finnegan removed the bolts on the bellhousing and torque converter, allowing the trans to be lowered using the transmission jack. The TH350 (Turbo-Hydramatic 350) and TH700R4 (Turbo-Hydramatic 700-R4) can be thought of as relatives of a sort: uncle and nephew, if not father and son. We were able to bolt it to existing holes in the frame by slotting the holes in the original crossmember. Tips. It’s compact enough to fit just about anywhere. Does anyone have any pointer or tips to make this go smoothly thanks. For the TH350 … 09|The 4L60E replaced the TH350 for ’82 which means its case is very similar in size and should fit anywhere a TH350 did. However, the electronic aspect of the trans reared its head when we checked clearance for the vehicle speed sensor. The GEN 4 4.8/5.3 will have the better flowing LS6'like heads. The transmission's principal new feature was its 30% overdrive. If this is the case, the transmission may have unseen damage. (I have 2 vehicles, so one can be out of commission for a bit). I can tell you of my experience with IN-LINE fuel pumps. The Turbo 700 was introduced in 1982 as a response to fuel economy pressures, and to be phased in as the replacement for the TH350. 14| WE had the old driveshaft shortened and rebalanced, and it was bolted back in place along with new shorty headers that offer more ground clearance. Here are the main parts that you are going to need in order to make your own 4L60E to 4L80E swap kit.. It’s not the easiest swap to do, and a 4L60E … Or, Reverse Engineering for a 700r4. 700R4 to TH350 Swap. The stud the cable attaches to on the carburetor needs to be in the proper location relative to the shaft. I am doing the swap myself and will have only the tranny and none of the electronics from the original camaro. If I go with a TH350, I lose gas mileage, due to the .70 4th gear in the 60e, and 1.00 3rd in the TH350. The good news is that either way, you win. LT Swap Transmission Dipstick Bracket This bracket provides the missing bolt hole on the LT engine block that is used on SBC/BBC engines to bolt the dipstick tube to the cylinder head Compatible with TH400, TH350, 4L60E, 700R4, 2004R, 4L80E Transmissions The vital link: top driveshaft is an aluminum unit used for Powerglide, TH350, 700-R4 and 200-4R with a 27-spline yoke. The 4L60 is essentially the same transmission on the outside as the early 4L60E. 01| The Level 4 Gearstar 4L60E four-speed isn’t much larger than the three-speed TH350 that was original equipment in the ’69 El Camino of Roadkill’s Mike Finnegan – yet it’s much stronger, allows precision adjustment of shift points and firmness, and adds a freeway-friendly 0.70:1 Overdrive. with that done, i reinstalled the tranny lines. 15| Here is the MSD TCM. It's a DD. We needed to slide the trans crossmember back 2 inches. 700R4 / 4L60E / 4L80E / TH400 / 200-4R Adapter to Install a Chevy Transmission on a Ford FE Motor $ 875.00 Add to cart; Adapter, 700R4 / 4L60E / 4L80E transmission on an Olds, Buick or Pontiac motor $ 89.00 Add to cart; Replace 4WD 700R4 with a 4WD TH400, 1982-1984 $ 625.00 Add to cart Contact Us 855-588-1543 Friendly, Knowledgeable Staff Ready to Assist! 6AN Transmission Oil Cooler Adapter Fittings GM TH350 TH400 700R 4L60E $ 9.99. This 4L60E transmission can handle up to 650 hp and 600 lb-ft of torque, which is plenty for the 383ci small-block currently in the ElCo, and will become necessary if Finnegan installs nitrous. The second unit, also with a 27-spline yoke, is for 4L60E and 4L65E. 05| One thing that’s very cool about Gearstar is that it send everything. They just run SO much cooler in the tank. if you must have O/D, the 2004R is a far better trans--or keep the TH350 and do a gear vendor over/under as mentioned earlier. The "E" designation refers to the electronic shift controlled variation found in the 4L60E transmission design. An MSD Atomic Transmission Control Module (TCM) will be the brain of the transmission and will control the valvebody, eliminating the need for a throttle valve cable that you’d find on a 700-R4 or 200-4R. It'll see the highway frequently, as I drive to and from work in the vehicle currently. i also connected the B&M megashifter shifter cable to the tranny. Hey guys I am thinking about changing my firebird transmission from a Th350 to a 4l60e. That means this driveshaft will need to be shortened. If you are going to actually use teh engine power, I'd rather have a thm-359 trans than a 4l60e to romp on. Swap from TH350 to 4L60E. Adapts all of these engines to TH350, 700R-4, 200-4R, 4L60 and Powerglide transmissions that originally came behind a non-LS engine (such as a SBC or BBC V8). 09|The 4L60E replaced the TH350 for ’82 which means its case is very similar in size and should fit anywhere a TH350 did. TH350s installed in trucks used a long tailshaft, making them the same overall length as a 700-R4 and 4L60E overdrive, while the TH350 installed in car is shorter. For a better experience, please enable JavaScript in your browser before proceeding. The transmission was available for both car (RWD) and truck platforms. Based on a 1983 fullsize Chevy pickup truck. 12| Remember how we said the new trans is longer? With the 350 or 305 &TH350 step side switching to a big block and TH400 the drive shift should be ok just have to swich the trans yoke to the 400 style. How to swap out a 700r4 tranny for a th350. i was able to reused the TH350 tranny lines that were in the car after slight modifications. Gearstar sells both. With the new overdrive, cruising rpm has dropped by 30 percent and it’s much quieter on the freeway. The later ones have two-piece case and are used behind LS engines. I finally had the 700r4 swapped for a TH350 and it didn't go so well. i also installed a Lokar dipstick and Lokar kickdown cable that i took out of my 1984 Trans Am. A 2WD 4L60e and a th400 are very close in mount locations if I remember correctly. ... 10 years LS Swap experience. 08| The 10-inch billet-cover Yank torque converter features lock-up for better fuel economy and lower fluid temps. If you got a 4.8 or 5.3 from 3/4 ton van it wil come with a 4l80e trans as is. Swap that Powerglide, C4, TH400 or TH350 with one of our Overdrive Packages. Then came the bellhousing bolts. Reply. When comparing the TH350 vs the 4L60E, there are many differences.. GM made the 4L60/700R4 before the 4L60E. 16| MSD’s programmer is easy to use, with a simply joystick controlled user interface that guides you through selecting gear ratio, tire size, and other parameters that will home in on best performance. E Designation.
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