Quote:
Originally Posted by chuckies76ta
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.
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Take a look at the Caterpillar TO-4 spec oils, as well as Hyguard. They offer better/heavier viscosity than regular ATF.
At the recommendation of the converter manufacturer, I use Cat TO-4 30wt in my TH400, and have for years now.