St400 transmission. Great deals.

St400 transmission. Great deals.

St400 transmission. Is it a kick down? I got some advice from the nailhead guys and they sent a switch plate. p. The 700R4 and TH400 are also great candidates. It has the variable-pitch converter. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Jun 3, 2021 · Technical 64 Buick ST400 Transmission Discussion in ' The Hokey Ass Message Board ' started by Bangingoldtin, Jun 3, 2021. It doesn't downshift and I would like to know how to check out this problem. Admittedly I have zero experience with transmissions but I am mechanically minded and typically successful when pointed in the right direction. This kit includes all of the gaskets, seals, friction / steel clutch plates. I bought it about two years ago and I am very happy with the car. 00 Quick View Black Powder Apr 28, 2025 · This is a used 1965 & 1966 ST400 shift lever / fork. Customer: what is the differance between a st400 an a th400 buick tranmission Answered by Joe Barfield in 1 hour 15 years ago Nov 20, 2017 · Working on a 64 rivi with 401 and a 65 th400 tranny The tranny has a kickdown switch attached to a carter afb 4 bbl seems that another piece has to hookup to the kickdown sw but don't know what that is looking to keep this original if possible also missing a dashpot for carb what do I need to com Sep 30, 2021 · Hot Rods ST400 Transmission Discussion in ' The Hokey Ass Message Board ' started by iafraser39, Sep 30, 2021. Shop with confidence. 7" in diameter. ) transmissions were availabe from 1965-7 in the full size BOP cars. My current plan is to use a 1966 ST400 (code BR). This flex plate is in great condition. This bolts on the side of the transmission onto the shift shaft. This yoke will fit 1964, 1965, and 1966 Buick ST400 transmissions with either the 401 or 425 cubic inch Nailhead Engine. This is the correct switch for 1965 & 1966 Buick Riviera, Wildcat, and Electra 225 models with the ST400 transmission. P. The SP400 is the switch pitch version, and uses the special converter and some internal parts to enable the two stall speeds. In order to get an understanding of how the valve body works, there are 3 types of oil pressure in the transmission that change shift points. The name switch pitch comes from the vanes in the torque converter being able to change their angle (pitch) in order to reduce friction (force) and get the vehicle moving. Aug 27, 2025 · Fits GM Turbo 400 (ST400, TH400) transmissions from the late 60s that call for the round mount with 2 diagonal bolt holes. If you are interested in learning automatic transmissions, the THM 350 is just about the easiest automatic transmission there is to overhaul. 1967 Buick ST400 Super Turbine 400 or Switch Pitch/Variable switch with ST300 Conv Gunterding_Performance 754 subscribers Subscribed Jan 29, 2023 · The ST400 converter was B2, while the TH400 converter (3 lug) was B3. <P>If they are the same, would a transmission oil pan from a TH400 fit on a ST400? Apr 4, 2015 · I was hoping that someone could help identify the serial number or date code on this tag. Is this a direct swap or will I need to modify the cross-member or driveshaft? Can I use A TH350 married up to a 258 engine. Our slotted bracket allows for fine adjustment of shifter angle. Is there any oth Jan 19, 2025 · Just a small home shop, that i find more value in than most, trying new things and getting out og a comfort zone, inan effort to build and tinker with budget Jul 31, 2013 · My '64 LeSabre with the Turbo-Hydramatic transmission is missing some sort of transmission kickdown switch that appears to have mounted on this bracket on top of the engine. There are several transmission choices for the Nailhead engines, I will start with the easiest one to use on the 57-66 364-401-425. Question, I'm considering replacing my ST400 with SP transmission. Great deals. Aug 17, 2025 · Find many great new & used options and get the best deals for 1957 Buick Super Previously Restored, New 371 Differential, ST400 Transmission at the best online prices at eBay! Free shipping for many products! Jan 29, 2020 · Gents, if anyone knows the name of this part please let me. Very strong, no issues when run last. Aug 6, 2023 · Driveshaft removed from a 65 Buick Riviera. Aug 27, 2025 · This is a New 1965 - 1998 Buick ST400 / TH400 Transmission rebuild kit. transmissions. Dynaflow ? Oct 10, 2016 · The ST400 is just Buick's nomenclature for the std turbo 400 trans with the nailhead bellhousing pattern, which uses a std torque converter. Nov 7, 2007 · I own a 1963 Riviera. Right now I'm searching for parts. They have a round shaped bell housing unlike other GM transmissions. May 5, 2025 · Solid ST-400 transmission pulled (in 1979) from wrecked 1964 Buick Wildcat. A smaller converter will lower that obviously. 1968-up This Oregon Performance Transmission package includes the following items: HP Master rebuild box kit for the GM TH400 TH400 heavy duty torque converter Transgo SK-400 shift kit This package is for the 1968-up TH-400 The master rebuild kit includes: A complete Transtec overhaul gasket set with every rubber seal, gasket, o-ring Mar 3, 2016 · I want to service my transmission and was wondering if anyone can recommend a good filter/gasket set that I can use. I realize that the TH400 is basically the same so a filter like that should work, right? Of course being a '64 my transmission doesn't have the switch pitch feature and I was told Aug 28, 2025 · This is a New transmission pan gasket for 1964 - 1982 Buick ST400 or TH400 transmissions (All GM TH400 transmission from 1964-1982). Opinion on Rebuild Kit for ST400 Discussion in ' The "Juice Box"' started by KDML, May 1, 2013. If your mechanical trans control switches are working correctly, the converter will go into high stall for idle and very heavy throttle. Car was unfortunately wrecked. Cadillac: P R N DRIVE L Buick: PARK R N D L Did the 1964 Buick version utilize 3 speeds in the single D position? And did L keep it in low or ST400 transmission (switch pitch th400) for Buick Oldsmobile Pontiac Cadillac Came from a 1967 Buick Skylark GS. ST-300 Super Turbine Transmission Variable Pitch Solenoid - 1966 Buick & Oldsmobile without cruise control (1993390) Variable Pitch Solenoid - 1967 Buick & Oldsmobile Aug 25, 2025 · This is a New transmission mount for 1964 - 1970 Buick ST400 or TH400 transmissions. 00 Quick View Black Powder 401 425 Buick Nailhead ST400 Transmission Yoke 1964 1965 1966 Super Turbine 400 Trans Mounts, Universal for the ST400 TMU-1 and TM3 $25. Jan 29, 2023 · I recently bought a ST400 Switch Pitch Transmission to go behind my 364 Nailhead but the seller did not have a torque converter. This is a used ST400 (Super Turbine 400) Transmission Yoke. Missing dipstick , but torque converter is new and flex plate/flywheel included. Variable pitch / detent solenoid 1. I specialize in Feb 25, 2009 · Right! 64-66 ST400 transmission flexplates will bolt to 64-66 Nailheads, but (I believe) the flexplate crankshaft hole needs to be opened up for 57-63 Nailheads. 430" center to center bolt pattern 19-1/2" long wire This solenoid will work as a variable pitch solenoid in some applications and a detent solenoid in others. I specialize in Aug 26, 2025 · This is a New transmission pan gasket for 1964 - 1982 Buick ST400 or TH400 transmissions (All GM TH400 transmission from 1964-1982). My 1st instinct is to shelve it like I have with the original differential and engine, but I think on this go around I 401 425 Buick Nailhead ST400 Transmission Yoke 1964 1965 1966 Super Turbine 400 Trans Mounts, Universal for the ST400 TMU-1 and TM3 $25. So, the only cars that could have had the ST400 in '65 was the Wildcat, Rivi, Electra. Now the questions. While I was super May 18, 2023 · Hi all. A VERY "wow" inducing reaction that got even better in 1965, 1966, and 1967 with the introduction of the ST400 Transmission with a Variable Pitch Torque Converter, allowing a high/low stall speed. Lokar Transmission Shifters feature a positive lock-out in park and neutral, a neutral safety switch, lever adjustments for dash and seat clearance, and 360 degree lever rotation for extra leg space. May 6, 2022 · Trying to find a basic rebuild/refresh kit for my ’65 ST400 variable pitch transmission, most I have seen just are listed for ST400 and don’t specifically say it for the switch-pitch trans. Thank you Gerry. I got to help unload the Dacco truck at the transmission shop in Tucson in 1982-3, so I got to know them a little bit. The light-duty THM 350 transmission can be brought up to heavy-duty specs. Complete with neutral safety switch. ST400 introduced in 1964 on 1965 models? If there were Switch Pitch ST400 transmissions installed on 1964 Buicks, did these cars have PRNDL selectors like the early 64 Buicks with fixed stator 400 transmissions or did they have PNDL2L1 selectors school me on GM ST400 switch pitch converters and transmissions Discussion in ' The Hokey Ass Message Board ' started by 31Vicky with a hemi, Apr 9, 2011. Even some Cadillacs have the s. After contributing to the rece Jul 7, 2001 · Forgive me for not trying to find the answer in previous posts, but what transmissions will fit on a '65 Sky/GS 401?<P>Thanks Find great deals on eBay for St400 Transmission. You'll notice there's a totally different throttle blade linkage bracket on the carb for a '64 when compared to a 65 - 67. Goes behind Aug 29, 2025 · This is a New transmission mount for 1964 - 1970 Buick ST400 or TH400 transmissions. First, I want to mention this is a long post, and Apr 24, 2019 · Need transmission as titled, or any advice if there is a solution to link TH400 to Nailhead ? Shipping to IL 60156. They are modulator (mod), detent (det) and governor (gov) pressure. Jul 28, 2020 · Hello, I just acquired a 1965 BS code transmission. Approximately 50k on trans. There were no changes on the ST400 from 63 all the way to 69. Thank you Dec 2, 2001 · What's the difference between an ST400 transmission and a TH400?<P>I've heard that they're basically the same with only minor variations between them. I am confused though. It is better to do it at rebuild time. Dec 31, 2009 · The ST400 transmission is the same as all of the TH400's that Chevrolet, Pontiac, GMC trucks, and Oldsmobiles have used since '64. 65 - 67's had a switch pitch converter which creates two distinct stall speeds (67 Feb 3, 2025 · So, the large font link is an old, old posting I discovered just now after enduring a 15 minute video on "Mister Roddinghood's" youtube channel and decided to search "Bruce Rowe". I would sneak up on that amount and add enough to get the level to 1/4" below the ADD mark as per the factory manual for a cold transmission. If not, I'll post things as I start the project. Buick transmission ST400 , rebuilt less than 500 miles . I knew the 64 Buick 400 were non-switch pitch, but I didn't know they had a PRNDL selector pattern. Looking for an master overhaul kit, but when I do most sites sell a TH-400 kit, even though 64 Rivi's came with a ST-400. For the life of me I cannot figure it out and how to correctly install. » Home » Transmission Parts » Transmission Overhaul Kits » Super-Turbine 400 St-400 May 1, 2012 · You want to get one out of a relatively powerful V8 application, or do an overhaul. Sep 27, 2019 · The Skylark Gran Sport never had the ST400, only the ST300 and 3 and 4 speed manual. Nov 9, 2020 · If it is a 64 ST400, you have to use a non-switch pitch convertor. Ran for one year in another body. Jan 29, 2023 · The ST400 converter was B2, while the TH400 converter (3 lug) was B3. my 66 riviera has the st400 transmission and i was wondering if the pump out of a th400 would work in the st400. That's why there can be some difficulty as some catalogs have combined model year listings with later ones as time has progresed. Do you mean to Oct 11, 2012 · The transmission torque converter is in low stall (economy) mode with no battery applied to the stator terminal. This pair of motor mounts are correct for the following year and models of Buick's only with the previous mentioned engine sizes. I Feb 26, 2010 · With the introduction of open drive in 1961 to when the Turbo 350 / 400 autos were started , was there only one type of transmission used eg. This kit will fit 1964 Buick LeSabre, Wildcat, Electra 225, and Riviera models. If anyone who has ever driven one will tell you, it made these "heavy Apr 22, 2025 · 401 425 Buick Nailhead ST400 Transmission Flexplate Bolts (9) 1964 1965 1966 BestOfferCounts LLC - Buick Parts (13200) 100% positive Jun 9, 2020 · A forum search didn't find anything recent. Jun 15, 2025 · This is a used super turbine 400 (ST400) variable pitch micro switch for 1965 and 1966 ST400 variable pitch (switch pitch) transmissions. Thank you Turbinator Aug 28, 2025 · This is a New 1965 - 1998 Buick ST400 / TH400 Transmission rebuild kit. It is a ratrod with a 425 nailhead and st400 transmission. This will fit all the full size models Buick Riviera, LeSabre, Wildcat, and Electra 225 models that have the ST400 or TH400 transmission. -Floor Shifter - 3 speed detents from a 67 GS. As I recall it's a 66 BA with correct ouput yoke, pulled from drivable 66 Wildcat. No trans brake, street car, daily driver etc, I realize its not a 4000 HP drag car, but not sure who else might know anything about this particular 400. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Apr 30, 2020 · The fluid capacity of an ST400 is approximately 23 pints. Aug 21, 2016 · I am trying to identify the transmission in an other 65 I purchased recently? BT 232 65 1200 doesn't appear to be a GM tag,any help will be greatly appreciated Thanks gord14080 Buick 400 Automatic Transmission CodesHere's a few code for the Turbo 400s!. Massive selection from top brands on eBay. . Doing this increases the stall speed in the converter, something to do with putting a small transmission converter in the bigger transmission. My question is are they the same kit for both ST400 whether it’s a switch=pitch or not and can anyone point Aug 10, 2024 · Which "Turbo6" engine and transmission? Just curious, NTX5467 Jan 11, 2024 · I too have not had experience with the '64 ST400, however, the following manual does include that particular transmission and references the '64 when required the diagnosis chart seems to point to the governor issues as some of the problems you are experiencing. Aug 9, 2005 · Also, were there 1964 Buicks with Nailheads and a switch pitch ST400 transmission or was the S. Each one will make the transmission shift earlier or later as they change. My only problem has been a slow leak from the Dynaflow transmission. I'll be using Russ Martins bellhousing with a 4L60 transmission. It changes to high stall (performance) mode when 12V battery is applied to the stator terminal. Found a kit from Classic Transmission Solutions that had the right sized May 25, 2011 · As mentioned, the 1964 ST400 transmission has a unique AND different filter kit than later models. I met with the owner of a very reputable transmission shop who specializes in classic cars and he said the minimum cost to look at the cause May 15, 2011 · I have no issues looking for a reputable transmission shop but I always hate giving up a chance to save some money and learn something at the same time. com Today, we take you on a test drive of the 1985 C20 Chevrolet Suburban with Buick 400 power and the newly installed Switch Pitch TH400 Transmission! It's been a while in the making to get this rare 1962-74 Buick automatic transmission code decoder helps figure out the type and configuration. Does this mean that all '66 RIvieras have the same transmission as May 28, 2025 · This is a used 1964, 1965, 1966, & 1967 300 cubic inch Buick Engine flexplate for the Super Turbine 300 (ST300) or Super Turbine 400 (ST400) transmission. May 31, 2012 · Hello folks, I had a question I am trying to rebuild my 64 Buick Riviera's transmission. Does anyone have something similar on their car so I can see wha Sep 2, 2025 · This is a New transmission mount for 1964 - 1970 Buick ST400 or TH400 transmissions. Aug 31, 2022 · My Riviera has installed on it an edelbrock carb. I already hav Buick Transmission Rear Seals & Kits, parts for classic Buick, Buick Parts, classic Buick transmissions, vintage Buick's antique buicks, kitsTo view available Buick products in these categories, click on the picture or links below. The idle solenoid wires are cut and I do not know if the solenoid to carb is good or not. I'm wondering if anyone can tell me if this differs in any meaningful way from any other 1965 transmission? What is unique that it is specifically coded to that car? Regards, Dan Mar 28, 2021 · Can anyone here tell me where I can purchase a transmission inspection dust cover to fit a 1964 Buick Riviera with 425 cubic inch engine and a ST400 Sep 23, 2025 · This is a used flexplate that will fit 1964, 1965, & 1966 400, 401 & 425 Buick Nailhead Engines with either the ST300 or ST400 transmission (Super Turbine 400 or 300 Feb 14, 2019 · I was looking for code number to answer a question that had been posed and looked at this chart from Teambuick. Jul 30, 2017 · A super-turbine 400 *is* a switch-pitch transmission. adding fluid to fill dry transmission and converter Super-Turbine 400 ST-400 1964 Wildcat-Electra Riviera Gasket Seal Kit gaskets seals sealing rings High Performance package deal for the TH400 transmission. It offers a lighter, stronger, and cooler running transmission than factory options. The stator blades moved from high to low position by an electrical solenoid and a stator valve, controlled by a switch on the throttle linkage. Torque Converter The majority of these transmission torque converters have the standard size three-bolt pattern that is 10. If you are installing a ST400 transmission, all of the linkages should stay the same as before. What is the difference between a TH-400 vs ST-400 or is there any? I just don't want to Itching for a Switch Pitch Transmission Switch pitch (s. my stator and detent switch is not connected. Quick video discussing the differences found on a mid 60's Buick ST400 automatic transmission compared to other TH400s. Sep 4, 2025 · This is a New 1964 Buick ST400 / TH400 Transmission rebuild kit. Does anyone know where to get a converter for this transmission? May 24, 2021 · I think I'm right that Cadillac and Buick used different shift patterns for the new-for-64 "400" transmission, but figured best to ask the folks who know. From what I have gathered, the BN 64 means 1964 425 console shift:http://www Jun 29, 2007 · Buick called their THM400 the ST400 (Super Turbine 400) The 64 ST400 had some differences in the valvebody that make it unlike the 400's that followed, but the 65 and up ST400's were THM400's It is unwise to install a shift kit in an old transmission. Make offer plus whatever it is to ship. I have dug around on the internet quite a bit but I'm coming up short. I'm looking for a 64 - 66 401 or 425 nailhead and an ST400 transmission for a future project, but I don't This is a New pair of engine motor mounts for 364, 401, and 425 cubic inch Buick Nailhead Engines. From the 1967 Buick Chassis Manual, page 74-78, see third column, under "3. If anyone has done this swap, please post your experiences. Get the best deals for Buick Super Turbine Transmission at eBay. Applications are as follows. Buick callled it a ST - Super Turbine - because they had used the word turbine in their automatic transmission since way back when. Commonly found on 65-70 Buick Rivieras, LeSabres, Wildcats, and Electra 225s. The 64-65-66 401-425 came with an excellent automatic trans, the ST400. The turbo-hydramatic (TH400) does not have the variable-pitch converter. Does anybody know this trans setup and can help me? Thanks in advance, Bill In 1964-67 Buick Offered a impressive lineup of Rivieras, starting in 1964 with the optional 425 Super Wildcat w/ST400 Posi-trac. Jun 4, 2003 · I have a 65 Wildcat Convt 401 engine with a 400 trans. 401 Motor (sold) and this trans had very Apr 18, 2020 · As my '70 Riv is on it's way to getting the engine put back in with TA headers and hopefully no more oil leak, I am rolling the idea around of rebuilding the original Turbo 400. com In looking at the '66 codes, it states that "425 V8 Gran Sport and Riviera" were equipped with the BS transmission. Shop Transmission & Drivetrain for Buick Wildcat with eBay Guaranteed Fit. Will fit any 64-67 A body floor/console -Shift linkage - 67 ST400 one year ony shift rod with correct linkage at This is a New transmission mount for 1964 - 1970 Buick ST400 or TH400 transmissions. Since this is a one-off year for this tranny, I have been contemplating a swap. Apr 6, 2025 · - ST400 core - Nailhead bellhousing, complete dusty crusty core. I first viewed this video 2-years ago and thought the module was cool but that was it. 1961 - 1965 Electra - THESE MOUNTS DO NOT FIT Oct 2, 2011 · From 1964-1967, Buick and Oldsmobile versions of this transmission used a torque converter with a variable-pitch stator called Switch-Pitch by Buick and Variable Vane by Olds. Get the best deals for St400 Transmission at eBay. Here are some pictures of a nailhead in a 64 Riviera. This transmission is part of the Turbo-Hydramatic series and also know by: TH400, TH-400, 3L80, TH475, THM375, M40, THM400, THM-400, 3L80HD, ST400, ST-400. Jan 11, 2020 · If you understand how a "Switch Pitch" ST400 was designed to work, you'll know why there's no micro switch on the throttle linkage. Feb 10, 2017 · ST 300 converters are brought into the conversation because they'll bolt onto the ST400 flex plate. That's 11 1/2 quarts. This shift lever / fork is used for column shifters. There is a two-wire plastic connector that connects to it. $250 obo. The lever is in good condition. Supposedly this was used on the GS 425 with dual quads. Jan 12, 2024 · I have an oddball here, first year of the Th400 aka 1964 ST-400 in my personal 64 Riviera. I have never heard of a: "dual-switch-pitch-trans" before. Switch Pitch Transmission Control Switch Wiring Click on the link below to view the pdf document detailing how to wire the control switch for the ST400 transmission with a variable (or switch) pitch torque converter. if not were can iget a pump for this Jun 15, 2022 · Hi All, After a 7 year build process I finally drove my project today. Please read carefully. Remember to soak all of your clutches in transmission fluid for thirty minutes before you install them. com. Jan 25, 2019 · I have a 1964 Riviera with a 425 nailhead and ST300. ew6yxj e94m xvlm rrfg hrc cv4f2 ltamr0zb qcol lgc xwai