Th400 output shaft spline count. Trans slip yoke length varies from 5 to 7 inches.

Th400 output shaft spline count S. They share most components and improvements. Cast Governor Gear Style. SKU: TT, 34678HA, a18 ra b5 Categories: GM, TH-400 / TH400 / 400 Tag: Shafts. Tim Reese Maine beekeeper's truck: '77 J10 LWB, 258/T15/D20/3. Enter your search keyword. Most slip yokes you purchase today are in the 5 1/2" length range. Most slip yokes you purchase today are in Check the Spline count on the Output Shaft. Does the TH400 output shaft have the same spline as a 4L60? If so it would make it sooo much easier if I could take a TH400 output shaft and put it into my 4L80E, put on my adaptor plate and bolt it right to the BW4472. Either the output in the transmission can be changed to 23 splines which in my opinion is a downgrade or the input in the transfer case can be changed to 32 spline to match the 400. The tail-shaft spline also changed to a 32-spline in 1971. The flexplate is also different. both of my transmissions are 32 spline. 88" that is now common- that yoke I referred to the TH400 "output shaft" in my original post. 2002 z28 408 on spray 2011 corvette grand sport 1972 maverick tube chassis, 408w 1972 maverick 351w street car 1965 mustang 461bbc swap in progress As a general rule, a GM NV4500 4WD transmission will always have a 32 spline rear output shaft with an 8-1/8" rear tailhousing. If your NP205 is from a TH350 (therefore 27-spline) it will NOT FIT a TH400 without a special adapter or a collection of factory parts. 883" Material Type: All non-lockup TH-350's are 30 spline input shaft, and 27 spline output shaft. Short tail th400 have 32 spline count and is bigger in diameter bolt on yoke or slip. "" I picked up a core 4wd TH400 with the tall CUCV style 208 adapter. I simply went down the block to have the OE unit modified. FTI Offers a wide variety of TH400 Parts including racing transmisison pumps, valve bodies, gear sets and deep transmission pans. 135 posts · Joined Output Shaft, Turbo 400, 32 Spline, Forged 4340 Steel, Each See More Specifications | Check the Fit. 5" stick out 32 spline output shaft. I get different answers on output shafts offered by GM with the TH400. Save Share Reply Quote Like. All of them are the 32 spline female input, although those we have seen are the long (about 3. What size shaft is this and is it available ? I had an issue during a pass that broke the bell housing , and rear u-joint . The th400 output shaft is 32 splines and the Dana 300 input shaft is 23 splines. This shaft can be cut off shorter if you need a shorter shaft. The factory output shaft has a spline count of 32 spline and had various output stick-out lengths. I already learned this evening the '64 unit won't be a switch pitch one, so should I snag it for the just mentioned or o No: I already have a built short shaft TH400 for my Stage 1 project (plus the numbers matching BB trans in the car I'm afraid to touch) i need the spline count for the output shaft on the th 400 that was mated to a dana 20 in a mid 70's wagoneer. to see if the tera low kit will work they make one for a 15 spline thanks fro any help. The output shaft doesn't have the flat Yes, prop shaft=drive shaft. Greetings, you might want to check to make sure your trans isnt a TH375, these use a th350 yoke, Case looks like a th400. $179. D. It has a stronger planetary and a strength-improved output shaft. This kit cannot be used with TH400 shafts that measure 1. 25 out of 5 stars. also you don't want to run a shaft without o-ring it will let atf into t-case. With the output shaft protruding . As a side note/ update The trans is indeed a 18 spline count and finding a aftermarket converter was basically impossible though I may have missed a rock to turn over. Is it 32-spline or 27-spline? TH400 has 32-spline count, TH375 has smaller TH350 size 27-spline count and a TH400 pan shape, Check the Spline count on the Output Shaft. If all original, you could check the output spline count - easy to do. Note: Our adapter kit includes a new TH400 Not sure of the spline count and dia. Output shaft spline count is 32. Search. Like the other GM automatics, the 4L80E featured a die-cast aluminum case. The transmission output shaft/tcase input shaft spline count. 10 splines came before 1977 (roughly) 30 spline shafts came after 1977 (again, roughly). 401 . 5 out of 5 stars Available for GM Powerglide or TH400 splines, these ATI torsional input Find many great new & used options and get the best deals for TH400 4X4 OUTPUT SHAFT 6" 27 SPLINE TH350 700R4 at the best online prices at eBay! Free shipping for many products! Skip to main content. I 32 Input Shaft (32 Spline) Chevrolet (TH400) NP15112. 250" and a "Texas-shaped" oil pan underneath it. Part Number: ATI-406027. So everybody makes stronger shaft/oversized spline drum combos. Featuring thicker walls and more gusseting than any other manufacturer. This is a TH400 output shaft with a TH350 27 tooth spline count. 95. but I'm not positive that the diameters are the same. This would be a win/win . For instance, if you get an NP241 that was originally mated to a 4l60e, the number of splines in the input shaft is not the same as case that was hooked up to a TH400, 4l80e, or manual trans. Manufacturer: General Motors Production: 1964 (for 65 model years) through 1990 Type: 3 Speed Automatic Gear Ratios: First- 2. JEGS GM The 4L80E transmission features a large 32 spline output shaft – much like the TH400 transmission – in the numerous 2WD and 4WD applications. Flange available: Yes (1300, 1400 or JK Flange) Output shaft spline count: 32 spline. Looks like I have 3 choices: Buy an entire TH400 with transfer case attached. As for the NP 218, it's the T-case for the older model Military Hummers, the new Hummers have the NVG 241 or 242, don't remember exactly. Drawing Image Description Part ISO NV3500 output splines. Spline Count: 32. 58/1. . The shaft for the TH400 truck is 3. 65 Ratios, Heat Treated 4340 Steel, Bolt-on, Powerglide, Each Part Number: SOX-28924-32S Not Yet Reviewed Need to change to 32 spline on TC, but other than that it will bolt straight up. TH350, 700R4, and NV3500 are the other spline setup. The 6L80 would have big shoes to fill, with legendary predecessors like the TH400, 4L80E and 4L60E transmissions. Yeah, the 80E and Th400 are the same. SM465 uses a 5 1/8" bearing retainer into the bellhousing. The factory output shaft has a spline count of 32 spline and had various output stick-out lengths / 1. It's not the end of the world, it is essentially a TH400 with a different output shaft and housing. TH400. c4, corvette, count, diameter, output, shaft, spline, splines, zf, zf6. so you can bolt a regular chev bolt-on yoke th400 to adpter, if you are going to run a chev motor. Drill/tap six bolt transfer case pattern into face of NP203, plug up stock Input shaft failure is a common problem in performance GM TH400 transmissions running with extreme horsepower. The Super T-10's used the TH400 style, 32 spline slip yokes. Weight: 125 pounds. you'll also need a th400-np241 adapter. Front Output GM used two front output shaft configurations, one had a spline count of 10, the other was a 30 spline. 85 suzuki sj 410, 82 suzuki sj 410 pickup 68 IH pickup, 78 Scout II 76 Scoutt A slip yoke out of a th350,700r4,200r4 will not fit a th400. the coupling i got from my buddy is GM TH400’s primarily used 3 different output shaft lengths, all are 32 spline. 74: 12 7/8" - 1. I'd assume the pressure angles are The output shaft on the TH475/TH400 fits the 1. 5" & 5" stick-outs. These guys handled it for me and I’m happy with the results. I've heard of output shaft length & spline count differences between a 2wd & a 4x4 Th400 Shaft Dia. As for the length of the output shaft on a 400 built for a NP208 - I can't say. The 4L80E features a die-cast aluminum case, just like most other GM automatics. ) Spline Diameter Measure the major diameter (deepest part) inside the slip yoke or the spline outside diameter on the vehicle's transmission or transfer case. 1008; Speedometer Gears 1. see kit PN50-3203. Advanced Daily Deals Turbo 400 Performance Racing Transmission Parts by FTI Performance. I'm in the middle of build a cage/backhalf chassis, 2" rogue fab die, swapping from leafs to king coilovers, front This is a good used output shaft for four wheel drive TH400 automatic transmissions. The overall length is 5-1/4'' long with 2-1/4'' splines. Output shafts are the same spline count. 5" stickouts. Tranny output Because the THM-200 shared external dimensions and output shaft size and spline count with the THM-350, the 700R4 designed for use behind Chevrolet small block V8s received a 30-spline input shaft similar to those found on It's the input shaft on the 205's that are different. He would need to convert the TH400 input shaft in the NP205 to a 27 spline input for that case to work. Save Share Like. For output and reaction planetaries, fits all TH400, 4T65-E 2-PIECE OUTPUT SHAFT - OEM LENGTH: 8. 25” 4140HT Lightweight Steel Forward Drum with Aluminum Piston, 29 Spline: 406004LV: Input Shaft, Vasco OEM, Aluminum Forward Drum with Steel Insert: 406005L: Talk with a transmission builder or driveline shop to verify your vehicle's output shaft style. 260" 3. Recommended. Output Shaft Spline: 40 Spline. These made in the USA works of art are the strongest 32 spline shaft on the market. They are Th400's all day long EXCEPT they have the length of the of the Th400 longer shaft but the Output shaft is 27 spline. Someone who is unfamiliar with the th400 might not realize the 2wd and 4wd slushboxes are identical except for the output shaft and tail housing. So does it fit something or did I get a mix and no parts available anymore? Most use the T350 size output over the larger T400. i understand there is three output lengths i also have searched and it seems the setup i am runnning has the short shaft. 886" OD barrel of a 32 spline yoke. 48. 590" pilot tip. Unlike the later 4L60E TH400 Vasco Input Shaft. It has the longer housing anyway, the shop wanted me to count the splines. 93 posts TH400 Heavy-Duty Billet Main Shaft (Vaccu Melt 300) 223700. For use with turbine support bushing in converter. That is what I am searching for at the moment. 4", 2. 85 C-10's Truck if it had a th350 would be a 6in tailshaft version. An interesting new features on all versions of this four-speed automatic include an Input Shaft Speed Sensor, for more advanced transmission and engine control through The spline count on the new TH400 I want to put in is 32 and the shaft is about 4" or so long. The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current 32 splines for 400 ,4l80e, and various HD 4 speeds, also a lot of yoke lengths/u joints A quirk tho, there was a 400 built with a 32 spline output but the seal surface was reduced below the 1. 10s' CUMMINS NOT CUMMINGS. Note: Our adapter kit is designed to Buy Direct from Speedmaster™ with Fast Shipping. As mentioned, you would still have the O ring dilemma even if you had the correct spline count yoke. My question, though, is this specific np208 able to be mated to a th400? I am thinking the 700 and th400 have different output shaft spline counts (and lengths), so not sure if it can be modified to work with the th400. I have a 2006 4L80E transmission 4x4 and wanted to bolt up(for now) my NP208. After driving myself crazy I finally checked and the th400 has a 27 spline input shaft. 76 - VASCO RINGLESS SUPER SHAFT - TURBO SPLINE: 207148. Muncies, TH350s, aluminum Powerglides, 700-R4s, 200-4Rs, and others are 27 spline. 5 inches of i did a search and found there is a 2wd 27 spline shaft custom made for the th400 designed for swapping in place of the 2wd 700r4 but in the case of the off road world i would not go to the lesser spline count since its are you sure your trans is 27 spline output? th400 input shafts are 27 spline for the converter but the output I have a 2wd 4" tailshaft th400 and a CJ7 long tailshaft Dana 300. 685" 705241 Extra long splines with markings for GM TH400 Automatic 2 / 4 Wheel Drive GM 1965-1986; This adapter kit is designed for exclusive use with the GM TH400 automatic transmission. Reply. 27 mf'in splines, Im like wth?! Get a spotlight We recommend the powerglide spline (17) input shafts made from quality steel at power levels under 700 horsepower and 600 ft lbs of torque. GM Turbo 400 TH400 Output Shaft, Yoke, and Tail Housing Kit - 40 Spline | MPN:PCE598. There are 3 different output shafts for 4L80E transmissions, all 32 spline: Output sticks out ~2-7/8” from the end of the transmission case: This is the only 4WD output shaft and basically works like a TH400 with the ~2-1/2” shaft How to use with 203/205 doubler: Use stock 4WD adapter. The TH400 has a case length of 24. Although, it may make more sense to sell the TH350 and buy one more TH400 (since I have to buy 2 now for other projects). 65 Ratios) 28924-32L 32-Spline, Short (1. Adapting the 4L80E . I know both are 32 spline. 2022 The TH400 first appeared in late '65, behind the AMC/Rambler 232 I6 and the AMC 327 V8. Magnum Underdrive for SCS Gearbox; There are 3 versions of TH350 output shafts, all are 27 spline: Spline count and stickout past the TH400 case. New member, th400 Anyone know the input and output spline count on a 2005 NP246 transfercase? And how to determine the year of a np241 that came behind a TH400 trans that does bought a NP 241 C and it was the only one I could find it has a vehicle speed sensor on the back tell shaft and I did not know if it was a 32 or 27 spline on the I have looked and looked for information on how to convert a th400 with a custom output shaft that has the 27 spline of th350 that connects to the 27 spline TH400 Family Production Run: 1964 (1972-1976) - Lighter duty; 27 spline output shafts; THM400 (1964-1994) THM475 (1971-1990) Predecessor Transmissions: Powerglide, Hydramatic, Jetaway Neutral, Drive, etc while Th400 has a 32 spline count with a larger diameter material. Please specify on checkout. Your 70e may have higher pinion count planets, also may have an input speed sensor in the pump. The DRIVE gear is on the output shaft, and you can see it through the sleeve hole. I'm not sure how you'd go about finding a Early units (1963-'70) had a 10-spline input shaft and a 27-spline output shaft configuration, while 1971-'74 used a 26-spline input shaft. timgr We stand on the shoulders of giants. 250” and a “Texas-shaped” oil pan underneath it. Has a 10 spline output until 1982 - and then has 32 splines to match the NP208 transfer-case that came out the same year. Can you even The output shaft is regular 400 size and spline, but the tailhousing casting has a smaller bushing and seal. $949. My front axle is a Superduty 35 spline D60 so I'm needing a driverside drop tcase. Measure the outside diameter (OD) of the yoke you're trying to use. 75" longer. Grumpy quotes (referring to the TH400 output shaft) 4 1/2 stick out, 32 spline, 2wd car trans, works with np205, Jeep Dana 20, (I’d need to make sure I could still get the longer bolts in), then I could get at least 2. SKU: SOX-T3-3-2431HP Categories: 4L80E, TH400, Yokes Tags To verify spline Shop TH400, Drive Shaft Yokes and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. On the other hand, 700r4 has a square oil pan, this is compared to Th400 which has a texas shaped oil pan. TH400 output shaft The 1967 - 1972 Chevrolet & GMC Pickups Message Board. JEGS 555-603260 GM TH400 Intermediate Shaft Features: Rear internal gear spline count ends with a . TH400 In the HMMWV what is the output shaft spline count on the TH400? 765R4 Does the I noticed that the output shaft looks like it's a 32 spline rather than a 26 spline. Answered by: jshook. 880″ Sonnax TH400/4L80-E Slip Yoke T3-3-2431HP quantity. Powerglide, TH400 Big Shaft Stator Support Tube Kit 28154S-125. That will tell you which one you have. GM, Vaccu Get the Best Performance with ATI 4340 Forged 1-Piece Output Shaft T400 Transmission - OEM Length 406027 parts at JEGS. Reverse- 2. i do remember there being an o-ring on the output but according to hughes thats the long shaft with the o-ring. ATI Torsional Input Shafts ATI406000 ATI-406000. 877. There are visible distinctions in the bolt patterns. 000" Front Spline Tooth Count: 30; Required. TH400 yoke. Find TH400 to NP203 Spline Tooth Count: 32; Length: 6. 888. The 27-spline output shafts TH400 / Muncie, Super T10 Billet CNC Transmission Slip Yoke, 31 Inner Spline Count (Fits 32 Spline Trans Output) 6. The input shaft is 6-5/8" 1-1/8" 10 spline with a . I've got 2 400's here. this output shaft is the SAME as the short shaft commonly used in 2 WD applications At one time Advance Adapters sold an output shaft for the t-400 that was machined with 27 splines like the t-700 has. Only TH400 with the 4. ok here's my plan. Third- 1. Some TH400 4WD transmissions have Chevy TH350 output vs TH400. Not Yet Reviewed. Ford, Vaccu Melt Ford, Vaccu Melt 300, C4 Input Shaft w/ 24/26-Spline Count . 47RE / 48RE Extreme Duty Output Shaft, Sonnax 22173D-01. 700R4 has a four-bolt rear If you look at a jeep th400 it is threaded inside . This was addressed in 1984, when 700R4 transmissions behind small-block Chevy V-8 engines received a girthier 30-spline shaft like those in the TH350 and TH400 transmissions. The yoke has 26 splines with one wider flat spline. 250” and a “Texas-shaped” oil pan underneath Get the full breakdown on race-ready features in the lightweight, chromoly steel TH400 Sonnax drum plus shaft options for a top-quality transmission build. When you're looking to upgrade driveline durability with a #Sonnax performance slip yoke, it's important to choose the right size and style yoke for your The output shaft is also a 32 spline, whereas I believe the TH375 is a 27 spline. 00. 5 Anyone know the spline count for the output shaft on an early Commando t-400? mountainrat, May 14, 2015 #1. Proven over many years of endurance off road racing. Toggle menu (844) 298-6404 Login or Sign Up; 0. All GM units and 1993+ Dodge units have 10 splines with 1-1/8" diameter. It looks like there will be about 2 1/4" overlap on tranny output and TC input with current adapter. It should be 32 spline. 25″ OAL. 10l60 10l80 10l90; np208 np228 np229 The TH400 has a case length of 24. NEWS PARTS JEEP & 4x4 ATV & UTV transfer case rear output slip yoke is 32 spline Proud member #727 of The 3500 Dually Club 98 Gmc Sierra Victory Red K3500 Crewcab SLE dually 6. Shaft Dia. To completely understand your particular need when it comes to Atlas inputs first you have to look to the transmission that it will be mating to, and if any special adapters will be needed. Sometimes you can trim the output shaft off but they don't always have enough spline to There is a sleeve in the crank to align the TH400 converter that must come out to bolt up the 727. 95 /each. your transfer case has 27 splines on the input shaft. I built a long tail th400 for a buddy, it's the 32spline, not the th350 spline, and he's been 9. However, the apply pistons were The output shaft is a 23 spline affair; other early GM application T-10 transmissions used 17 and 27 spline slip yokes. Your drive shaft may have to be Find Parts and Accessories th400 output shaft KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! FTI PERFORMANCE REPLACEMENT BEARING FOR PART#F2502B WIT FOR 32 SPLINE TH400 OUTPUT SHAFT FOR POWERGLIDE. It will have a 9-1/2" tailhousing also. Sort by Oldest first Oldest first Newest first Most reactions. I seem to remember mine being a 1. Tranny had adapter on it. Designed to be used with Sonnax Heavy-Duty Forward Drum 852-34554-01 or aftermarket drums with the compatible spline count; The high-strength 300M steel is resistant The Allison’s output shaft is a common failure point so PPE offers this Billet Also the np203 most likely has the wrong input shaft. Transmissions & Parts 1. The first input shaft design upgrades changed this 17 spline design to the 30 spline count. one is a slip yoke 2wd and the other had a 208 on it. i compared the 241 to a 208 i took out of an 84 and the spline count is the same as well as the depth of * TH400, 4WD Remanufactured and Re-splined Short Output Shaft, 6" Overall Length quantity. so, you will either have to swap out your transfer case to a 32 spline 241, or just swap out your input shaft on the tcase. can Can someone tell me what the major diameter of the TH400's 32-spline output shaft? I'm looking for the diameter of the splined portion. snap ring groove; Full-length oil passage; Specifications: Part Type. The factory output shaft has a spline count of 32 spline and 300M Output Shaft with 4140 Heat-Treated Flange Vasco - 1. Because his truck is a short bed, shortwheel base. The TH400 blew up recently. Ben W. Date published: 2023 thanks, I checked and it does have the 30 spline input shaft. Shaft to drum spline count has been increased from 30 to 35 splines for extra contact and strength. If someone were coming from a purely hot rod background, they'd recognize the transmission as being a standard th400 except for the tail shaft and might describe it as a 2wd transmission used in a 4wd application. 5 or 2. siebert. Case Half NP208 Transfer Case. 5” and 5” output shaft I understand that the low spline count on that shaft leads to excess wear. The ones from 1/2 ton 2wd GM trucks use a TH400 style yoke. We have them in 6″, 7″ & 9. Some guys are telling me that the only "short" 32-spline transmission output shaft GM made for the TH400 transmission was for the NP203 full-time case. In which case the yoke would be the same as a TH400. Back to Subforum. Hello guys, been looking for the upgraded input shaft, but seems that the spline on the forward drum side is very undersized. Not sure what broke first . From looking at the posts this should fit. Add to Cart. 060lbs; Barrel Length: 3. If you have the old output shaft from the original tranny the 231 was bolted up to, you can send that to them and they will duplicate it onto the TH400 shaft. A friend game me a 30 spline converter and it does not fit. This adapter kit is designed for exclusive use with the GM TH400 automatic transmission. It didn't specify in the above link what spline count a GM NP205 output The TH400 has a case length of 24. 32 spline np203s are definitely rare compared to 27 spline np203s. all the money you will spend to get that 203 to accept a th400 output, you could get a 205. The TH400 made its way into heavier duty GM trucks in the 19 the spline count on a TH400 is certainly 32 nuless its output shaft has been changed. 250” and a “Texas-shaped” oil pan underneath beneathit. Save Share i have an 85 cucv diesel, th400, 208 combo. 5 Richmond Locker - I don't remember how many splines a TH400 output has, but its a unique, and count the number of teeth on the DRIVE gear. I was surprised that they are the same too as I know the 60E is I believe 30 splines whereas the TH400 is 32. 5" and is 32 spline . The ATI 085-406027 shaft is 32 splines and works with standard TH400 bearings. GM used NP208 with TH400, but you have to take the trans apart to swap the output shaft and then use a 32 spline input gear (unless you find a 27 spline shaft for the TH400) and install that in either a Ford or Jeep NP208 (depending on the Like the TH400, the 4L80E generally featured a large 32 spline output shaft in both the various 2wd and 4wd applications. The input shaft for the 1992 Dodge NV4500 was 19 splines with a 1" diameter, like its predecessor, the Dodge NP435. F4039: TH400 300M input I have a early 70's TH 350 Transmission , I am tying to slide the slip yoke on to the out put shaft. but they sit level unlike a jeep th400 which is clocked so t-case sits right. Powerglide Extreme Strength Output Shaft 28924-32S. It has a 2. Stronger materials typically used for improving weak parts can’t overcome a critical weak point on the OE output shaft: it’s small, 23-spline cross section. Add to Wish List Add to Compare. 597" 705240. search. 44 Front Output Shaft Bearing (Front) 311268A 36 Front Output Shaft Bearing (Rear) 331268B N. TH400 Extreme Duty Input Shaft 35280-02. Most Super T-10s are going to be 32 spline outpt (same as TH400). Register or Log In To remove these advertisements. Some slip yokes have missing splines — include the missing spline in your With our goal of a 496BB we know the 700 isn't the ultimate trans option, going to use a built th400. No clue on 3500/3550 2wd spline count. dually502 Discussion starter. These 32 and 1 master spline steel slip yokes are designed to work with TH-400 GM automatic transmissions and all Richmond Gear transmissions with a 32-spline output shaft. 50 Inch Overall Length; Billet CNC Material; 1350 Series U Joint; Sold individually; Shaft Diameter: 1. GM input shafts protrude their usual 6-5/8" while I was looking for a TH400 for my rig and I was under the impression that TH400's were all 32 spline outputs,,,, but I found one with a 27 spline, same like a TH350. , 35-spline input shaft is 35% stronger than standard 1" shafts; Shaft Dia. May 14, 2015. Extreme duty, 1-1/8" dia. Spline count and bolt pattern are matching but the output shaft on 4L80E is longer and the shaft bottoms out before they both seal, leaving about 1/2 inch or less of a gap. The barrel inserts 3 1/4" into the trans, I tried a yoke with recessed splines and that inserted 3 5/8", no bolt hole in output shaft either. TCS Yeah, they both share the same spline count on the tailshaft. From what I can tell the TH350 has a 27 spline output and the TH400 has a 32 spline. These are sold individually. The torsional design increases the shaft's strength and is recommended for all applications over 700 horsepower. Trans slip yoke length varies from 5 to 7 inches. Also known as a turbo spline, this is the same spline used in the Turbo Hydromatic transmissions (TH350 and TH400). What is the 200-4r input shaft spline count? Thread starter crucial118; Start date Dec 23, 2013; G-Body Tech Forums 1983 Monte Carlo SS - 496 stroker, full manual TH400, Grand National 8. OR, just pull a th400/np241 combo out of a 3/4 ton burb or k20. 4" 32 spline. 5" stickout) 32 spl input. are the output shafts on the TH350 vs the TH400 the same spline count and size?? Save Share Reply Quote Like. Originally - "All 26 spline inputs came with 32 spline output shafts and all 10 spline inputs came with 27 spline output shafts. Yoke U-Joint Series: 1310. Estimated Ship Date: Feb 24, 2025 if ordered today. 00: 2-PIECE OUTPUT SHAFT - SHORTENED FOR USE WITH T400 EXTENSION HOUSING: 6. Jump to Latest Drag car: 71 nova, 383, TH400, 4. Estimated Ship Date: Tomorrow. Buy TH400 input shaft for my NP203, machine t-case housing for larger 32 spline shaft. Yes I searched and read many of the threads about the 7004R but there's a few questions where there's conflicting information. I saw somewhere where a TH400 output shaft and a 4L80E output shaft can be swapped. $279. I think it is 32 spline like Duallie stated, but the S-10 versions use a TH350 yoke. Sonnax Heavy-Duty Input Shaft GM TH400, 30-Spline Front Tooth, 300M High-Strength Steel. 00: Input Shaft: 32 Spline Torque Converter Lock: NO 31 spline th400. there's 4 output shafts, right? I got this NP205 with adapter and coupling from my buddy who had it bolted to a turbo 400. of the '64 output shaft. Powerglide Output Support & Bearing $ Automatic Transmission Input Shaft, TH400, Each See More Specifications | Check the Fit. Increase the strength of your performance TH400 transmission with this high grade Vasco steel input shaft. I verified the input case was the TH400 but when I got around to installing the adapter gear it fit a 1-1/8" 28 tooth while mine is a 1. Can anybody enlighten me on this its just a plane old TH 400 with a 350 output shaft . 856-400-0063 (calls only) sign in or register; cart. there are shafts for the : 203 t-case 208 & late 205 t-case early 205 t-case. 76 - RINGLESS SUPER SHAFT II output shaft bushing and the ALL of them are the same diameter size and 32 spline count. TH400 3-Speed Automatic; 4L80E 4-Speed Automatic; SM465 4-Speed Manual; Transfer Case. If I’m not mistaken all stick shifts have 32 spline outputs on these trucks. The NP208 came off of my TH400 32 spline. 370″ Weight: 3. Transmission experts, advice needed: Can a TH400 out of a 2wd truck be converted for use in a 4x4? I have a 83 GMC 4x4 with a TH400 trans & NP208 transfer case. 4. Each shaft is cut and splined (30) by BTE and heat treated to extreme levels to ensure durability. Jump to Latest I have just swapped out a 700r4 with a broken output shaft with a thm 400 i had, as I recall, the spline count on the out put of a t400 large shaft is 32 splines. Turbo 400 takes the same 30 spline converters also. Although, I DID find four frictions in the forward clutch pack, which I think the 375 had four instead of five. i presently run a th400/dana 20 (factory app. 000" Front Spline Tooth Count: 30; TH400 Billet 300M Output shaft. 5" 32 spline. The output shaft looked small to me but I loaded it up anyway. Thanks :smokin: Nothing is foolproof to a sufficiently talented fool. The shafts that are "X'd" out are not useful for anything but their factory application, if yours has that and you need to adapt it, you'll have to change output shafts or The Turbo 400 was introduced in 1964 in Buick and Cadillac cars and in Chevrolet and Oldsmobile cars the following year. I have counted the splines twice and a 27 spline drivesleeve fits right on. 000" Front Spline Tooth Count: 30; Heavy Duty Intermediate Clutch Backing Plate Lost or damaged component; Pinion Thrust Washer 34875-04. not that it matter much, I guess. I've also built a th400 (th375?) with the 27 spline longer output shaft for another guy, he doesn't make near that much power (maybe 600-700) but it's holding up for him as well in a pro street style Malibu wagon. 2066; Local I have a short shaft th400 out of a 2wd Chevy and a np205 with adapter that was with a th350. So after putting it back together , I noticed a vibration in the drive train at around 70mph and during coast . Maybe there is a spud shaft that goes from the 32 spline output to the Designed to fit either the Powerglide or TH400 splines, these shafts are 12 7/8" - 1. 080 in. Length will be the same for 2wd, believe 18 1/4". Magnum Planetary Underdrive. A TH350 has a 27-spline output. Now that it's home and I've had a better chance to look it over it has a 27 spline output. I have a TH400 that I was told is out of an H1. Forged 4340 chromoly; Through Some slip yokes have missing splines — include the missing spline in your count or count the Jeep-Short Wheelbase. iirc, the 400 only came with 32 spline output shaft. They will fit a th375 that has a smaller diameter output shaft and 27 spline count. F-350 DRW Diesel w/5th wheel RV. 4", 4. I really don't want to do a 4l80E and I don't want to modify the driveshafts. A TH400 has a 32-spline output. View Next Unread. The TH400 version of the 205, whether pre or post 85, all use a 32 spline female input that connects to the ouput shaft of the tranny, whereas the TH350 NP205 has a 27 spline MALE input shaft, and uses a coupling, or sleeve inside the adapter to make the connection to the tranny. You should be able to use a TH400 yolk That is what I have been told and have also read it on the forum. John P. Shifter type: Mechanical or cable. A bit rare. anyone know the spline count coming out of the th400? i'm looking to swap in an np241. 54 bone stock, low options (delete radio), PS/PDB, hubcaps. Until late 1963, T-10s had a cast-iron housing, 10-spline input, and 16-spline output-shaft with an overall length of 21. B. 5td(F) fresh 4l80e 4:10 gears fresh gm-8 turbo,3" exhaust from turbo to muffler (no cat),new crate motor with new ip , bumper relocated fsd with hucksdorf diesel heatsink. Add to cart. The TH400 uses a 32 spline output shaft. However, keep in mind that if it came out of a dually it will be a borg Warner tcase which has different wiring and most likely different driveshafts. Exactly how much spline engagement is required on the tail shaft of the trans. Choosing the Proper Input Shaft: There are currently over 20 different Atlas input shafts in production today, varying in length and spline count. Once you have that number, Up for Sale is aNEW TH400 40 SPLINE OUTPUT SHAFT, YOKE AND TAIL HOUSING. 65 Ratios) Turbine Hub Input Spline Count: 35; Required. I thought it would be perfect because my driveshaft was cut a little too short and the shaft on that yoke is a mere 3 5/16th's long. ) Barrel Diameter Measure the outside of the barrel diameter on the slip Extreme Strength Output Shaft 32-Spline, Long (1. In short, it's a The Borg Warner T-10 cast-iron case four-speed was introduced in 1957. Save. Yoke Inner Spline Count: 40 Spline. Required. Part Number: FTI-F2503B. I do have aluminium forward drum that I was planing to use in my th400 build, but now I have doubts if it is worth to use upgraded input shaft. Is it 32-spline or 27-spline? TH400 has 32-spline count, TH375 has smaller TH350 size 27-spline count and a TH400 pan shape, the bushing is smaller on the TH375. We have also seen a rare 1995 GM NV4500 which can be classified as a hybrid. 1: input gear must match trans spline count, TH350/TH700 use 27, SM465 uses 10, TH400 uses 32 2: drivesleeve must be correct spline count, obviously if it's going to couple the shafts, it needs to match! Only the SM465 and TH350/TH700 use a drivesleeve, TH400 is a direct connection from output shaft to input gear. Menu. The exact same as a Th350. 1009 | UPC:840136567394 Most T-10s are going to be 17 spline output (same as original 55-57). Sonnax performance roller bearing slip yoke T3-3-2431CBH fits TH400, 4L80-E, Powerglide with 32-spline equipped with a roller bearing instead of a bushing. automatic transmission . Save Share S/10 NV3500 has the same output shaft as a TH350 UNLESS you have a fullsize truck nv3500. A. The 4L65-E was introduced in 2001 as an HD version of the 4L60-E. Auto Trans Main Shaft. BobS - Thanks for the input. : 1. I think driveshaft yoke is also 32 spline. I guess I will need to get a recess machined in my yoke. Length: 15 inches (short tail) or 17 inches (long tail Re: Tranny cast #\'s? what th350 will bolt to my np205 -RE:correct output sh He would need the TH350/NP205 adapter as well as the drive sleeve and also a 27 spline input NP205. TCI 965310 TH400Trans Slip Yoke for N1310 Series U-Joints. I'm in the middle of build a cage/backhalf chassis, 2" rogue fab The factory output shaft has a spline count of 32 spline and had various output lengths. Long story short I need a torque converter but I can't find one that will fit. Th375 were only used for about 4 years, like 71-74 something like that. TH400, SM465, and NP833 all match with their own spline count. 201. 3154 posts 4", same as the EARLY 4wd TH400 and the short-shaft 2wd TH400's, but the output shaft on the one mated to the D20 had an O-ring, TH400 Family Production Run: 1964-1991 Variants: THM375 (1972-1976) - Lighter duty; 27 spline output shafts; THM400 (1964-1994) THM475 (1971-1990) Predecessor Transmissions: Powerglide, Hydramatic, Jetaway Designation Change: 3L80; 3L80-HD (1991) Matching Turbo Hydra Matic 375s, 400s and 475s with Associated Applications The GM NP 205 output shaft is about 1/4" larger diameter than a 32 spline output shaft on a 465 or NV4500 trans and it isn't 32 spline, but is 35 spline. KILLER"B"468. All the BOP TH400 I have ever worked on. I believe I should order a converter for a turbo 350 but want to make shure . The factory output shaft has a 32-spline count of 32 spline and had various output stick-out lengths. $469. " So if original, and you have a large output/TH400 size output shaft then it is a fine (32) spline input. Swap tranny tailshaft and housing, bolt it up. Second- 1. 7938 TH400 Billet Steel Forward Drum and 300 Maraging Steel Input Shaft Number 223601B. So how is it possible to have a 27 spline TH400,does somebody make You will need to figure out the length it needs to be cut down too, and you will also need the spline count, major and minor diameter, and spline length. 1@150 in a twin turbo blazer, seems to be holding up well. So I assume this is a 27 spline. np208 transfer case input shaft 32-spline fits chevy & gmc with th400 automatic transmission (15112) menu. TIA. Pretty sure the TH400 output matches my Atlas input. TCI Automotive | #282965310. C4 Tech/Performance. The only 27 spline converters I can find are for 200r and 700r transmissions. 107" 3. Automatic Transmission Output Shafts, Extreme Duty, 32 Spline, Short, for Sonnax 1. 32 and 1 master spline The output shaft in my TH400 sticks out of the case apox 10. I bought a slip yoke for a 1350 u joint which has a 5" shaft. Product Line. Only TH400 The 700R4 has the same size and spline count output shaft as the TH 350 but the Th400 is different th400 is the oddball 32 spline so as long as its not an 87-92 3L80HD in which is a th400 case with the 27 spline output, found in the light duty pickups these 6 years, nv4500 output shaft spline count. ATI Output Shafts ATI406027 ATI-406027. j-truck / waggy) wanting to switch to dana 300 using the 208 adapter. $308. But, To handle the increased output torque capacity, the 6L90 departed from the long-standing GM 32 spline All the BOP TH400 I have ever worked on. Maybe that is where the confusion is from. Shop by category. A 1350 series yoke with a 32 spline (3-4-6211) calls for a major diameter of 1. 549700. An innovative variable pitch stator was available in the 1965-1967 cars that could essentially vary the characteristics of the torque converter. zpnbly dkjoxx teql owq qwbwwo kuvprbo gltoh wmljyko brf ude