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Old 01-06-2022, 10:54 AM
78w72 78w72 is offline
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Join Date: Nov 2007
Location: iowa
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Originally Posted by chuckies76ta View Post
Thanks for posting the info. I'll have to do some more reading. I did the th400 rebuid myself that is in the car right now and so far so good. I have seen the hot spots on the clutches. So I'm wondering on brand specific synthetic oil that your builder recommends? I'm thinking GM dexron 6.

Thanks again.
synthetic ATF is available from many brands that are compatible with dex3 & 6 for TH transmissions & many others... most are considered more of a universal ATF. the best priced one that is a high quality 100% synthetic fluid is valvoline maxlife, i use it in my TCI th400 with excellent results as well as my toyota 4runner with a 5 speed, its rated for toyota WS fluid & many many other types.

other popular options like amsoil, mobil1 & higher end brands will work good too. even the supertech synthetic or conventional ATF is good stuff. another option is B&M trick shift & TCI ATF, ive heard the B&M is a mix of type F & dex3 ??


Last edited by 78w72; 01-06-2022 at 11:00 AM.
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