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Old 03-24-2010, 12:29 PM   #83
toad
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Join Date: Dec 2004
Location: Leander, TX
Posts: 984
Re: Lock-out, missed shifts - Mystery solved?

Quote:
Originally Posted by Mach! Schnell! View Post
I see the subject of tranny fluids has been beat to death and I don't expect fluids to be miracle cures, but I figure it's worth posting Tremec's latest recommendations for the newcomers (like me).

1. Tremec does not recommend GM sychromesh in the 3650.
2. Tremec says they have evaluated RP and quote "do not use RP Synchromax in the 3650" . "It has more additives than ATF and those additives will eat the blocker rings". It may shift better for awhile, but it will hurt in the long run.
3. What do they recommend? Mobil 1 synth ATF.

I'm draining the Synchromax that I just paid $60 for and putting in Mobil 1 + Lucas this weekend.

I have had RP synchromesh in for about 70,000 miles. I guess my tranny is crap now. Still works good though.

Maybe it is time to change it.
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