Th400 dexron 3 I?ve been on line and it looks like the choices are F, Dexron 3 and Jan 7, 2023 · Technically GM recommends Dexron 6 now, but what's in your picture looks like a substitution for Dexron 3, which should work. Feb 13, 2023 · 1969 judge ra iii th400. Oct 4, 2020 · Dexron III is recommended for the older GM transmissions. The engine and tranny are newly rebuilt and and I need to pick the ATF so i can fill the torque converter. Jun 25, 2023 · Dexron III is an automotive transmission fluid specially developed for General Motors’ automatic transmissions, including the Th400. Formulated with premium base stocks and advanced additive technology, its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles Dec 14, 2000 · Adding a few quarts of type F to Dexron will still be dexron and if you add a few quarts of dexron to type F it will also become dexron. Mineral based DexronIII would be well below a Dexron 6 after 30,000 miles, the actual overtake would be much sooner but in no time it could be down in the 5 cSt range. I replaced that one a about 5 years ago at like 220k. For T56 and TR6060 we recommend the use of Royal Purple SynchroMax. Jul 30, 2024 · Dexron transmission fluid was introduced in 1968, Dexron-II in 1972, Dexron-III in 1993 and Dexron-VI in 2005. Dexron 3 Mar 10, 2013 · So my th400 lost reverse so I am rebuilding it. The viscosity difference is the most visible feature of DEXRON-VI vs DEXRON-III but it isn't the biggest Apr 9, 2020 · C3 Tech/Performance - Best ATF TH400 - Can someone recommend the best transmission fluid for my 1972 corvette with TH400 transmission. Jul 18, 2013 · Castrol Transmax ATF/CVT Universal is a technologically advanced full-synthetic formulation designed to deliver excellent performance in most of the traditional stepped automatic transmissions and Continuously Variable Transmissions currently in use. ) Looking at the different choices in FLUID. I know Dexron II and III is the Jan 23, 2023 · We would choose the Dexron 6 as it has the ability to increase your engine’s fuel efficiency, better mileage, and smoother transmission. does dexron vi replace dexron ii ok? would dexron iii or something else be recommended? Jun 24, 2019 · What transmission fluid are you using in your turbo 400 transmission The 1967 - 1972 Chevrolet & GMC Pickups Message Board May 20, 2009 · DEXRON-III and DEXRON (R)-VI are the typical off-the-shelf ATFs that you'll want to use in a ST or TH400. Dexron III is safe for all Transmissions requiring Dexron x transmission fluids including Powerglide, TH350, TH400, 700R4, etc. I am changing my converter to a TCS 10" bracket master Buy Bracket Master High Stall Converter 2800-3500 RPM Online | TCS Performance Products Apr 22, 2020 · Tranny fluid brand? Pontiac - StreetThe Following User Says Thank You to Cliff R For This Useful Post: Jan 12, 2011 · can anybody help in pointing me in the right direction as to what fluid i should use, 468 ci 500 hp with th400 pro street 1965 malibu, car is to be raced on the strip,dont have a clue what fluid its got at the mo,was thinking of amsoil racing fluid as it has a high flash point. It has worked flawlessly, quick shifts but smooth not harsh, and consistent. I was using kendall atf classic dexron 3if it makes a difference. Let’s take a closer look to see which of the Dexron 3 vs Dexron 6 transmission oils are best suited to your vehicle’s needs. Sep 2, 2025 · As long as it has DEXRON in its label description, use whatever atf is on your local shelves. May 4, 2017 · I have been running Pennzoil Type F in my turbo 400 since I had it rebuilt. If you do a drain and fill rather than a flush, you'll get less than half the effect as you would if you had a completely dry trans and converter. Anyway because the transmission will be fresh should I run dex6? Any things I'm overlooking such as clutch compatibility or Feb 17, 2008 · Anyone have any experience with differnet tranny fluids and what it does to converter stall speeds/slippage? I have been running regular dexron 3 atf fluid in my th400, and the converter has been very good to me n/a (car consistantly will run 10. Dexron 6 is much more shear stable and a total replacement for Dex3. Apr 29, 2019 · Hi everyone, I want to change TH400 transmission fluid in my 1974 GS 455 Stage 1, There is Dexron II D, Dexron III G and Dexron VI available here, Dexron Mar 20, 2008 · The coefficient of friction is the same in Dexron 6 vs Dexron 3. 0cSt at 100C as you said) however the DEXRON-III fluids are typically not shear stable so the viscosity drops rapidly from about 7. I honestly don't remember exactly what year it was rebuilt so it could have been '93 so it may have D-III in it but I feel it's D-II. Nov 26, 2020 · Dexron compatibility Mar 22, 2006 · We use my type F in the S-10 race truck which has a TH400 for racing, but regular DexronIII in his daily driver with the 4. leaked like a . This is the first Castrol May 8, 2017 · I recently rebuilt my 68 camaro th400 tranny, and am installing a new 3200 stall converter, my question is this, what is the best fluid to use? Dec 19, 2021 · They both have anti-foaming additive and this may have changed over the years with both Dexron and F. It is blended with premium base oils and an additive package which utilizes Castrol Smooth Drive Technology. Jan 21, 2014 · I didn't use Dexron III (recommended) but a newer spec oil and after about a month of driving it shifts nice and smooth. 0 cst in just a few thousand miles. This fluid type consists of a high-quality mineral base oil and additional additives like viscosity index improvers, anti-oxidation, and anti-wear preventive agents. Feb 11, 2006 · The DEXRON-VI fluid is thnner when it's new (6. The reality is that Dex VI is best only for newer vehicles. MOTUL DEXRON III Automatic Transmission Fluid (ATF) for all systems where DEXRON or MERCON standard is required. Change the ATF at a reasonable interval (get a drainplug installed or a deep pan with drainplug) to prevent varnishing of the VB and mechanicals. . 3L. Feb 3, 2003 · Dexron III is the only Dexron fluid available at the auto parts stores. The time now is 02:05 PM. Speed Dec 17, 2006 · C3 Tech/Performance - What brand and type of trans fluid for a TH400 - Well its almost time to start putting things back together. <BR> I think that "Trick Shift" and some of those other additives are Feb 16, 2018 · Type F and Dexron? Pontiac - StreetAll times are GMT -4. 0 cst. Mar 4, 2000 · After I rebuilt my TH400 the kit recomended using type F over dexron III because of better anti-foaming and more resistance to heat. Used GM in the th400 with no issues, dad used Ford in his th400 with seemingly no issues, and the last th400 had the TCI Max shift (or whatever it is) in it (previous owner used it) Just got the trans back from a rebuild, and got to wondering if there's a "better" fluid to use? MOTUL DEXRON III Automatic Transmission Fluid (ATF) for all systems where DEXRON or MERCON standard is required. I won't mention what I used because I was boo-hood on another thread but it was, supposedly, a full synthetic. The TH400 in my opinion is a very good transmission behind small blocks for racing. The new Lighweight Racing ATF can help lower transmission temperatures and also gets up to the correct running temperature quickly. Oct 15, 2010 · Is anyone using Dexron VI in place of Dexron III for there trani Engine & Drivetrain Amazing information. All versions of DEXRON are Both frontwards-compatible And backwards-compatible. A What fluid should I use? For 4L60E and 4L80E transmissions we recommend that you use regular Dexron III ATF. Dexron VI will work in a pinch, but may affect stall speed and other functions. I've been running this Dexron 6 in both of my '97s, one is a 4L60E and the other is a 4L80E. Find many great new & used options and get the best deals for PNR 745041 GM Turbo 400 Transmission Pan Gasket Filter Kit Th400 Dexron 3 Fk-106 at the best online prices at eBay! Free shipping for many products! Nov 24, 2012 · What type of tranny fluid is blue for a TH400? I was expecting dexron III which is red but this stuff is blue. After the whole industry moved that way Ford started to use Dexron also. They are backwards compatible with the earlier DEXRON fluids. Automatic gearboxes, torque conv Mar 10, 2023 · On a TH400 I normally put dexron 3 in but was wanting to drive it yesterday and ended up adding 3 qts of dex 6 because that's all I had on hand and really wasn't expecting to add so much. I replaced the solenoid around 150k or something when it wouldn't lock up at all The other 2004R started locking up as soon as it hit second gear. <BR> GM wanted their transmissions to shift without the passangers feeling it so they are set up to shift slowly. Had the TH400 rebuilt (builder says it looks like the first time for this 72, I believe it . In the end they can go as low as 4. Automatic gearboxes, torque conv Mar 3, 2003 · If your cooler is big enough, use any Dexron III. 5x) I've added nitrous to the setup now, and Mar 27, 2015 · I've used regular GM in the old th350 with no issues. Maybe I'll get the lockup working again after all. I was running dex3h because I read online a few people had problems running dex6 and reverting back to dex3 solved them. 5 cSt at 100C when new to about 5. Is it type F? Hal Valvoline Dex/Merc ATF is the automatic transmission fluid that has been uniquely engineered to meet and exceed the requirements automatic transmissions in vehicles that specify Dexron-III fluids. Feb 23, 2015 · I was using dexron 3 couse I heard it handles heat betterbut when I took trans apart there was no sign of heat in the clutches whatsoever. Just be sure not to mix the two types. The primary makeup of DexronVI is group 3 oils, so it's just a highly refined mineral oil Mar 8, 2022 · I was wondering what’s the best transmission to fluid to use on a 1966 riviera th400? Oct 12, 2017 · It might appear that Dexron VI would therefore be backwards compatible as far back as the older TH350 and TH400 transmissions. Oct 31, 2016 · Best transmission fluid for old transmission The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board Apr 13, 2010 · Red Line Oil has just released a new automatic transmission fluid for Powerglides, TH400s, Torqueflights and other racing automatics. Jan 12, 2021 · What transmission fluid is best for your hot rod? We talk with the folks at ATI Performance Products to find out when Dexron, Mercon, or Type-F is needed. Apr 12, 2006 · What is everyone running for transmission fluid in their turbo 400? Is the higher coefficent of friction of the Type F an advantage in a performance application? Is it ok to run Type F in a trans that had Dextron in it previously? Thanks for the help. amrfrsp sznfio ulk2p celmrg 8dvaq w3b2ujf9 zd1i les riig jiz