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View Full Version : What are DSM people running for tranny fluid these days?

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blageo23
03-05-2010, 10:28 AM
If you wanna wreck diffs, use GM Syncromesh, otherwise if you want actual gear oil redline from map seems to be the cheapest option.

I have used Syncromesh for years and everything has been fine. I will be trying a different fluid this year.

2 blown up diffs??...
CarPsyco84
03-11-2010, 08:17 PM
2 blown up diffs??...

2? try 3 just with me. When I was young and foolish I ran that junk in my AWD, and after 2 transmissions with numerous issues including wearing 2 center diffs out, and wearing a front diff so bad the wrist pin had lost more than half its diameter in wear before it snapped off and destroyed the trans case, and mutilating a ACT 2600 pressure plate.

The problem is its syncromesh is not gl-4 rated and doesn't have high enough pressure resistance to deal with even normal wear in our trannys let alone abuse.
sleepydsm
03-11-2010, 10:52 PM
Pretty sure Syncromesh is rated for GL4.
s1ngletracker
03-22-2010, 05:14 PM
My shifting is getting notchy again. I think this time i'm gonna run just MT90, no MTL. What do people think about that?