Quote:
Originally Posted by DorkMissile
Royal Purple SyncroMax did wonders for mine (can still get a false 3rd gear when doing a no-lift shift, however the shift action is significantly improved)
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I hear statements like this a lot which is the reason for the question. The engineers at GM are pretty sharp. I'm thinking they are aware of the cold shift problem, but there's a reason for sticking with the fluid they're using. It could just be a supplier contract, but I suspect it's more than that.