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Th350 to 700r4 swap 4x4

The 700R4's drive shaft yoke is identical to the TH350's, so your old yoke should work nicely with the new transmission. But I am primarily concerned with the drive-ability, what with it only being a 3 speed. The bottom pic w the two adapters are for th350/700r4 trans. You will also have to move the transmission cross member 1 3/4" forward. Metric torque converter bolts are also required to bolt the converter to the flexplate, GM (PN 1261968). You build up the transmission with the new shaft and then it bolts right up to the 205 through the center piece. The drive shaft will need to be cut three inches. All the 4x4 700R4 tailshafts are the same, 27 spline, male. gear. You can have a 700r4 rebuilt to take more power and increase the durability. I believe from the shape of the oil pan that its a TH400. Woody's 4x4 |Transmission to Transfer Case Adapters. You'll have to move the transmission crossmember back a couple inches or so and drill new holes in the frame as well. The cases are a similar size as well. step 1 get a th350 and the covirson kit so u can bolt the TQ arm to it step 2 take out ur old 700r4 step 3 bolt th350 into car reconect ur shifter linkage and speedo. The TH350 is a great tranny, just that folks want the OD, or 4th Gear (. From what I understand, a factory 700R4 to NP 208 adapter will do the same job of adapting a Dana 300 for much cheaper. Kit works inconjuction with the original GM 700R4 adapter. 8L V6 Switch Kit. Re: TH350 to 700R4 swap questions by thatfnthing on Wed Aug 22, 2018 12:56 pm 200-4R will bolt in with no major mods other than moving the crossmember back to the TH400 holes on the frame. #3. shift linkage will sorta work. 5” center to center of the u-joints long drive shaft. 700r4 Stage 1 4x4 Transmission Free Converter 700-4r Th700 4l60 7004-r 700r4 Stock . I have a 78 Chevy K25 4x4. 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. 700r4 is 3. You’ll need a flexplate adapter. 3 truck with no overdrive. The bolts going into the 700R4 are M10x1. trans mount mods are needed, but minor, uses same bushing after all. What I am removing; SM465 trans, SM465 trans to NP205 adapter, SM465 to Chevy 350 motor bell housing. The GM dust cover was next to go on. All of the 700R4 covers I could find were made of cast aluminum making them difficult to modify to fit with the adapter. May be a little more work than swapping the ring and pinion, but once the work is done there are nothing but advantages. What ive swapped to is a TH350 K-Case out of a early 80s pickup, which then I also picked up the adapter piece and new dipstick for the 700r4 to TH350 conversion, im also going to be running the NP208 thats why I did the conversion to keep that transfer case! Where the original 700R4 trans mount was on the crossmember im about 3 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. you will need to get a different tail shaft, the th350 is shorter, and to be honest, you want to the 700r4, get it rebuilt if you have to, the difference in fuel economy will pay for the cost of the transmission in time. . What are you losing by going to Th350 from a 700r4? You're losig a lower first gear. What ive swapped to is a TH350 K-Case out of a early 80s pickup, which then I also picked up the adapter piece and new dipstick for the 700r4 to TH350 conversion, im also going to be running the NP208 thats why I did the conversion to keep that transfer case! 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. First you need the factory center piece for a th350 to np205. 1964 Suburban 350/700R4 1979 Ford F350 4x4 400/c6 700r4 Transmission Pictures New 700r4 4×4 Classifieds Buy & Sell 700r4 4×4 Across the Usa chart design March 22, 2018 Thank you for visiting 700r4 Transmission Pictures New 700r4 4×4 Classifieds Buy & Sell 700r4 4×4 Across the Usa, hopefully the pictures and photos above can be a reference for those of you who are looking for them Maximizer 4x4 TH400 Replacement for 700R4 4x4 Non Lock-Up (All Chevrolet) JavaScript seems to be disabled in your browser. 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 swap th350 for 700r4 4x4 hello guys, im new on the forum and had few questions on my newest project swaping a th350/np203 for a 700r4/np208 in a 78 3/4 ton. 5L Diesel, Turbo 350, Turbo 400 & 700R4, 4x4 w/IFS to 1989-1998  24 Feb 2016 The TH350, TH400, and Powerglide are a direct bolt-on for an LS engine. It's been his daily driver forever. That meant that it needed a 45. A th350 is not computer controlled either, any of them can be made to work with little effort, but no one is going to want to run a th350 in a stock 4. The length of the TH350 is 1 3/4" shorter than a 700R4, so with that in mind you will have to shorten the front driveshaft and lengthen the rear driveshaft. . connect the speedo cable. Mine with a 700R4 won't go into park lately, I assume there's a bushing or something that's worn out or fallen off. And, the NP205 never came behind the 700R4, only the TH350. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. Unlike the old 700r4 that had Been contemplating this for my truck (1972 C10 with a 2-piece driveshaft). We join the original MonStar, Curt, in the garage today as he shows us how to convert from a original factory transmission, a TH400 in this case, to a Monster 700R4. Switching 700R4 to TH350 in my '93 Z. Could be a simple swap if the trans output shafts are the same. Re: 4x4 trans swap th350 to 700r4 snj8198 the truck will used for the winter, road driven by me or the wife when the county trucks don't plow, small block with minor modifications, nothing more then 400hp. (stall convertor, art car clutches, fairbanks shift kit stage 4 and super servo and a harden sun shell) it will run ya about $1400 all built! 1971-1972 El Camino Shifter Conversion Kit, Powerglide To 700R4, 200-4R Or 4L60 See more like this GM 700 R4 Transmission Braket Conversion Kit american shifter® ASC700R4CONVERT Official Dealer For American Shifter® ~ Ships From USA! The 700R4 is available in the standard Chevrolet bolt pattern. Customers Who Viewed This Product Also Viewed. If you swap it will have to be a trans from a 4x4 to keep the factory AWD. This kit includes output shaft, extension housing spacer with studs, filler tube and stick, dust cover, detent cable, extension housing gasket, new PRNDL indicator figures and complete instructions. In the early years of the 700r4, it was common to swap to a th350 because of so many problems with them, and yes also due to the expense to rebuild was so high. 00. ok 1st i got everything out of an85 blazer. It has been used in various GM cars and trucks over the years. posi diffs, not sure which gears but trying to get more mpg, no towing. Probably @ work under a truck, Tapatalk 2 TH350 Swap Stories Pieces and Parts Transmission : The Turbo 350, aka TH350, automatic transmission is a stout 3 speed automatic transmission. Swap a 350 transmission with a six inch tail to a 700R4 transmission: #1. This is particularly useful for heavy load vehicles that may benefit from a heavier duty transmission for dependability. TCI offers many different types of conversion kits to owners of General Motors vehicles to enable interchange of various styles of GM transmissions. From my research in stock form the 700r4 is stronger than a 200r4. then i moved the crossmember so the front holes in the crossmember are now in the rear holes on the subframe. Also, the 208 and 241 are quite similar (they even share the same adapter), so no differences there. tire size nothing larger then 35inches dia. Those who can, do. You'll need to shorten your driveshaft 3 inches and move the trans mount/crossmember back. Swap a 400 transmission with a four inch tail to a 700R4 transmission: #1. ADV 50-6304 - $498. 75". Notice the 6 bolt holes where it bolts to the trans. 700r4 Stage . The th350 is a direct bolt up. Allows you to adapt a GM Th350 3 speed automatic transmission to the Jeep Dana 300 transfer case. Best Answer: If memory serves the base design of the 700r4 is the same as the 350turbo, but the 700r4 adds overdrive. Manufactured from 356-T6 heat treated aluminum alloy. Is that correct? I'm thinking about swapping out the TH350 Transmission for the 700R4 Overdrive transmission. Bigcheese327 Member from Bennington, VT. But grand nationals are running 10s with built 200r4s. If you need the smaller bolt pattern, please call or email for information on this option. chnage from full time to part time 4x4, restore the body. you will need a converter for 700r4, should bolt right up to the flexplate. #4. i also have a 203 out of a 77 and 205 out of a 73, both are currently mated to a t350, that im making a doubler out of. 40-45 Speedo Gear Housing w/EXTRA SEALS TH350 700R4 Speedometer $68. On the Chev forums they state that the 700R4 is the better option for parts etc, but the transmission mount and driveshaft have to be changed. The transmission swap in my '81 is finally completed. Would you like to sell the 700R4 I need one for a 92 Chevy Blazer it takes 700R4 4x4 posi flexplate bolt pattern and engine mounting pattern to swap out a 700 r4 you you will need to get a different tail shaft, the th350 is shorter, and to now 0n a 350 motor & want to put a 700r4 in it. This adapter kit is designed to be used for the 4WD 700R transmissions when trying to replace a GM TH350 4WD transmission. Following the demise of my TH350 recently; Slipping low/reverse clutch probably caused by a worn Governor, I thought I might bring my 4 speed conversion project forward. The TH350 and TH400 transmissions belong in the same place as carburators in the trash. The 700R4 uses a lockup converter. trans mount in rear will most likely be different. 99. The 1. It's no secret I really like the 700R4 for all 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. 700r4 swap would not be too bad, just need to provide the electronics to take care of the tranny lockup etc. I wanted to swap it for a 700R4 but I am wondering if I need to shorten the drive line or not. Cars 82/83 late/early. and that the 700R4 has a really low First Gear, almost too low If you have to have the drive shaft shortened, or lengthend, or a longer yolk going into the tranny etc Well on the 8' bed the with the TH400 the drive shift need to be longer if your switching to a TH350 or 700R4. They came in the 1/2 ton automatic trucks with part time 4x4 (np205) from I think 70-75. 700R4 4L60 44 Tooth Electronic Electric Speedo Driven Gear Speedometer $23. They also sell the kit to make the lock up converter work. but I think if I put a lock up torque converter along with a manual valve body in the transmission Chevy Gm Th350 T350 New Process 203 Np Transfer Case Adapter Round Transmission. -Back to Transmission Index-. With the TH350 and a 3. Seems a little high compared to the other guys that posted but I am a mile high and everything here is high (unfortunately sometimes the "dudes" doing the work). The 4x4 output shaft of the TH700R4 is longer and requires a shaft change to a custom shaft from Advance Adapters. To adapt a 203 or 205 to a 700R4, you can install this spacer OR use this shorter replacement output shaft. the bolt holes and sizes are the same for both. Before I endure into this project and get in over my head. Also lots of Range Rover P38 repair overhaul information. Free shipping when your order includes this part. When comparing the TH350 vs the 700R4, there are quite a few differences. Personally, I like the 700R, it gives you an extra gear to use when on the highway. Choose cover type Plastic / Chrome / Pollished Aluminum Fits most cars and trucks Choose Trans Type 2004R / 700R4 / 4L60E TH350 / TH400 Screws Included . The passing gear cable bracket on the motor can be reused. I use my K5 for long roads trips and I think having an extra gear will help will gas mileage and life of the motor. TCI offers many different types of conversion kits to owners of General Motors vehicles to enable interchange of various  How to swap out a 700r4 tranny for a th350. first i removed the stock 700R4 tranny mount and installed the TH350 mount. A friend has the same in his truck. This adapter will enable you to replace the expensive and hard-to-find Jeep TH400 case with the popular Chevy and GM transmissions. 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. 700R4 or rear gear swap in 1965 SWB Either I swap the rear gears and put a TH350 in, or go with a 700R4. If it is not correct, it will wipe out the transmission. 4x4 transmissions are a whole different thing, they dont even have a any th350 swap can VERY easily be done with a 700r4 driveshaft. Column or floor shifter. You will need to replace the 700R4 rear shaft to coordinate with your NP205. Though the 350 mounts differently and would require an output shaft modification. You get 4 gears and keep a good pulling rear end, when you need it. A stock '84 700r4 is a pretty shady transmission though. My car has a th350 and eventuall I want to add a gear vendors unit or installed a 700r4 or 200r4 and I can use my stock driveshaft. He's getting the tranny rebuilt right now- only because someone else borrowed it and burned it up trying to pull a 4dr pickup & gooseneck out of a hole. th350 bellhousing to transmount 20 3/8" (w/ 9-1/4" tailshaft housing) 700r4 overall length 30 3/4". The 4x4 output shaft of the THR4 is longer and requires a shaft change to a custom shaft from Advance Adapters. 2L & 6. What I am installing; 700R4 trans, TH350 to NP205 adapter. th350/208 uses a certain output shaft and it pretty hard to find the 203/205 version is too short. I see people online saying you need to Overdrive is the best way to go, in my opinion. On to the swap! TH350 & 700R4 Basic Facts. t350 to 700r4 trans swap questions ok i have been out buying some trucks to combine my drive train. #2. Transmission Swap TH400 to 700R4? I see alot of info on swaping a TH350 but is it different for the TH400? I have a 78 Chevy Scottsdale. what will that take. 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 Re: 1986: np208. You will use the 27 spline input in the NP203 to mate to this shaft and use the TH350 to NP208 adapter housing. Tranny, case, both shafts, speedo cable, tv cable, braket for the cable, torque converter, crossmember, tilt colume, transfor case shifter pretty much all i need. The overdrive transmission is longer than a TH350 that has a 6 inch tail housing. S-10/15 Pickup, Blazer,  Find out about my Megasquirted small block chevy powered dakar 4x4. This swap to the TH700R4/4L60/4L60E transmission requires several changes. the transmission will bolt up to the block. Items 1 - 12 of 26 Maximizer 4x4 TH350 1982 & Later 208 NP Transfer Case 4-Bolt Dust Maximizer 4x4 TH400 Replacement for 700R4 4x4 Non Lock-Up (All  700R4 to TH350 transmission swap kit 700R4 to TH350 transmission changeover kit. Will my stock driveshaft not work with this application ThreeHonks. I bought the changeover kit from B&M, kit says to use a driveshaft from an '82 2004R Camaro. The cross member will need to be moved two or three inches. The valve body on these trans is nothing but a bank of solonoids. I took a truck apart for a TH400 to 700R4 swap and took the column with it, but only because it's a tilt. As far as gearing goes they are identical. 875". The biggest one is going to be overdrive. There were consessions made to do that that made it weaker. 800" spacer takes the 700R shaft length down to the same as the TH350. The 700R4 shares the 27 spline output and 4 bolt pattern with the TH350 but it's output is about 2" longer. The whole secret of the 700R4, is the way the TV Cable is set up. S-series trucks that were previously equipped with a 5 speed transmission, it is necessary to get the stock GM 4wd adapter housing and transfer case shifter bracket from the 700R4 application. Swap from TH350 to 4L60E. Trans Swap From 700r4 To Th350. Found 3 different 4x4 700R4's all from 91 k5 and Silverado's. 2004 Silverado Z71 ECSB - |Silver Birch Metallic|5. A 241 for a 700R4 should bolt to the rear of a TH350, but I think that the output shafts may be different. Notice the 4 mounting bolt holes. I put the kit in about 5 years ago & havent had a problem since. I am replacing the SM465 trans with a 700R4. 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. The 4wd output shaft protruded out of the transmission with a stick out length of 2. All available and not to ddifult to do. If your original TH350 came with a 6-inch tail shaft, you'll have to cut the drive shaft by 3 inches. Re: TH350 to 700R4 swap - drive shaft and yoke differences 3 inches, $130 including balance. Full Size V8 & 4. Chevy Th350,4x4 For 700r44l60e Transfer Case Transmissions Rebuilt 700r4 4l60e 4l65e 4l70e All Models Input Sprag The 350 trans is a direct bolt in meaning - crossmember / mount/ you / driveshaft/ is the same, you can re-use the 2 speed linkage & shifter but the inside shifter detent must be bent back a tad to get 1st. You already have the 700r4 and it will work fine behind a v8. reason being is th350 has three forward gears and 700r4 has four Gen III GM LS V8 to TH350/700R4 Transmission Adapter Kit made by Speedway Motors, for as low as $153. User Info. Those who can't, criticize it on the internet. The cross member can be used in the same location, if you use a special R4 tail housing. The transmission is approximately 4" longer than a TH350. For the best experience on our site, be sure to turn on Javascript in your browser. 34-39 Speedo Gear Housing w/EXTRA SEALS TH350 700R4 Speedometer Sleeve $65. TH350 700R4 Speedo Gear Housing Sleeve Kit Speedometer Leak Seal $38. What are some of the modifications I would need to make sure it fits properly? The 200R4 and TH350 had the same tail mounts and those are close to 727. If your old transmission had a 9-inch tail shaft, then the drive shaft should fit. Drive Shaft. Advanced Adapters GM 4WD Th350 3 Speed Automatic Transmission to Jeep Dana 300 Adapter Kit. 75. A holeless fuel tank should be good for umpteen mpg's improvement. It was widely used in Chevrolet and GMC rear-wheel-drive vehicles until 1992. The passing gear cable connection on the carburetor can be reused, if you have the original carburetor. Support your independent, locally owned 4wd forum! Join, Share and Participate ! If your th350 is a 9" tail you should be able to use the same driveshaft, but many of them are 6" tail and require a shorter driveshaft (you can have yours shortened). Chevy Round Transfer Transmission Gm Adapter T350 New Process 203 Case Np Th350 Transmission Case Process New Transfer Adapter Chevy Np 203 Gm Th350 T350 Round Th350 to 700r4 swap 4x4. Now why would you want to go now for the crossmember. 3L V6 Blazers, Pickups & Suburbans TH700R4 4X4 To 350 4X4 Switch Kit. ok 1st i  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. 700r4 Stock 2wd Transmission Free Converter Th700 4l60 7004r 700-4r 700r-4 Jegs 60320 . I am under the impression that a 700r4 doesn't require the driveshaft to be cut, but the th350 does. I would build up the 700R4 out of a truck if it was me. This is a good swap if you are going to be racing the car but if its a DD its going to get worse milage because you will lose your overdrive. 59. 75 inch bolt spacing. It was also produced in the smaller 60 degree V6 bolt pattern that also works with some front wheel drive engines. It's also possible to find 1/2 ton Suburbans with a one-piece driveshaft. The cross member can be used in the same location, if you use a special 700R4 tail housing. Allows you to adapt a GM Th350 3 speed automatic transmission to the S-Series truck transfer case. 700R4/2004R twins– If you own a GM car from the 80’s you may still have a good 700R4 sitting in there. The mounting pad on the 700R4 uses the typical TH350 / manual trans 3. The drive shaft will need to be cut and a smaller yoke installed. 4L60E swap from TH350 questions the ecm/engine to work as a package. It was probably more the fact that it was an 82 700r4, which would go bad if you looked at it wrong. Allows you to remove the 700R4 and replace with the THM350 Transmission. The 700R4 was first introduced in 1982, and served as a replacement to the TH350, which was a 3 speed automatic transmission. from what I understand, the th350 is a VERY easy swap over as it doesn't require much work in regards to the transmission crossmember. The 700R4, also known as TH700R4, THM700R4, 4L60, or 4L60E, is a four-speed overdrive, longitudinally positioned, automatic shift transmission introduced in 1982 as the TH350's replacement. Based on a 1983 fullsize Chevy pickup truck. the stock one will work in the new 700R4. Chev has aftermarket support for this. 08 gear your take off acceleration will not be as good as the 700R4/stock low rear end. the 350/208 was only available a couple of years and was a lockup transmission, so pretty reare. Could be used as a basic guide for those wishing to swap a 700r4 in  Adapter Plate and Flex Plate - 12V/24V to Turbo 350, 400, 700R4, 4L60E, & 4L80E Click for Conversion Overviews Comprehensive Package: Chevy 1988-1993, 6. Also check into the output splines, I do not know if they are the same. hello guys, im new on the forum and had few questions on my newest project swaping a th350/np203 for a 700r4/np208 in a 78 3/4 ton. Once the length is taken care of the TH350 parts will bolt right up. and you can get a 205 t case to go behind it. 06:1 while Th350 is 2. Help is just a click away! The top pic you posted is for a th400 trans. I have one on my 86 Chevy K/10 4x4 Pickup with a 454 & Holley truck Avenger carb. #2, the cost to build and beef up a Th350 is much cheaper than building and beefing up a 700r4. Not sure why you think you have more options and it'll be cheaper tho. On the 205, the TH350 it used a male to male coupler sleve. For the TH350 to a 700R4 the drive shaft is ok. Product Details. a little fluid, a driveshaft, and some heaving and youre good to g. IMHO the 350 is much stronger, and you can build it for less than half ($200) the 700r4 is an AOD and has a reduction in the final drive(OD) so yes, your engine will spin more RPM's with a 350. The 700 also has computer controls that I believe the 350 does not have. A TH350 with a 9 inch tail housing is similar in length to the TH700R4. Re: TH350 to 700R4 swap questions by Joe73 on Wed Aug 22, 2018 4:00 pm These guys have detent plates that will allow you to access all your gears of the overdrive trans. They are in a TH400 so I'd investigate this. The TH350 had a approximate output shaft stick out of . I love my lockup. I need to swap 700R4 into my 1028 and can get a great deal on a 32sp input 205 with TH400 adapter, or 27sp 205 with TH350 adapter. Then get the Advance adapters 700r4 - np205 kit that comes with a new trans output shaft. The better 700R4 Trans would be the newer one, 87 is the newest style case you can use the oles is the 83/84 late/early trucks. Hello, I’m busy with other stuff right now with my ’77 hybrid Z conversion, but one of my future projects is to replace the turbo 350  700R4 to TH350 4WD Conversion Kit. The 700 will bolt up to your 283. 7S-35B 700-R4 to 350 4X4 2. Therefore, if you've got a burned-up 700R4 in your hot rod, and somebody offers you a recently rebuilt one from a wrecked 4x4, you can simply swap on your old tailshaft and bolt the thing in your car. I ended up using a TH350 dust cover with the front section cut off like the picture in the instructions. As for the output shaft I believe any 4wd TH350 will bolt up to a 4wd 700R4 adapter, I may be wrong. 400 trans will require a different yoke & shorter shaft & crossmember has to be moved & frame drilled. Know what you are doing here, or have someone who knows do it, or you'll burn the trans up quickly. Conversion, Roof Rack, BMW, Dashboard. 52:1 first gear. u might also have to get a longer drive shaft but it should just bolt in with no problems only thing u need to do is buy the bracket so u can bolt the tq arm too or make one PSI specializes in the design and manufacture of Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. 700R4 to TH350 4WD Conversion Kit. The 700R output shaft stick out is approximately 2. i have a 91 chevy 350 tbi and 700r4. A less popular auxillary method of attaching the NP203 to the TH350 is to use the TH350 with a longer output that was originally used with an NP208. This adapter kit is designed to allow the use of a TH350, 700R, 4L60E, TH400 to the Jeep 304, 360 and 401 AMC V8's. TH 700R4 Automatic gearbox swap / Upgrade. It has to be The Turbo 350, aka TH350, automatic transmission is a stout 3 speed automatic transmission. Universal Transmission Dust Covers Submit your address zip code before purchasing to check for any shipping charges. Good luck w your search. You'll need to hook up your TV cable to the carburator. 700r4 & th350 share a 27 spline yoke (31 spline th350's exist, but are not the norm) 700r4 bellhousing to transmount 22 3/8". 700r4 is a little wider, andyou want room for the oil lines too, trans is about 3 inches or so longer than 350. Unlike the old 700r4 that had I’ve did a lot of research before installing a 700R4 into our 79 Camaro. Answers. The 700 is 3 inches longer than a TH350. A TH350 should be just about a bolt-in in place of a 700R4, they should be about the same length and size, the 700 is based on the 350 to begin with. I don't think there is any difference in the columns other than the indicator, but you may need the linkage for a 700R4 truck. GM 700R4 & 4L60 Transmissions The 700R4 Automatic Overdrive Transfer Case Adapters · Conversion Packages · NV4500 Retrofit Adapter Packages The 700R4 was basically designed to replace the retired TH350 transmission. How to swap out a r4 tranny for a th The swap is relatively straightforward. Our #49 700R4 tail housing with transmission mount (7 3/8 inches long). If you are doing the swap, you will need to look into that too. Swap a 700R4 for a TH400 tranny, good or bad? They are more or less a th350 with a overdrive hung on the back. 700r4---->th350 swap, need advice. As is expected with all new system, especially with such a major re-design, some design issues were present with the original release. Best bet is probably to slide the motor forward as the 4X4's are appearently all in the rear mounting position, and this would get your valve covers off of the firewall and save you the driveshaft modification nightmares. 66. The TH350's case length is 21 5/8 inches. Now the guts in the trans got better in the late one up to 91 but you can not use the case unless you have the CPU to work it. Generally speaking, a 700R4/4L60E transmission will fit most  Jeep Wrangler AX-15 to 700R4 transmission swap. 5x (length required). The drive shaft needs to be shorter as the TH700R4 is 3” longer than the transmission that is in it (be it manual or TH350). 3|Custom Single Exhaust|Method Standards you will need to get a different tail shaft, the th350 is shorter, and to be honest, you want to the 700r4, get it rebuilt if you have to, the difference in fuel economy will pay for the cost of the transmission in time. 70 over) trying to get a little fuel economy. th350 to 700r4 swap 4x4

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