Wade - I just received my Tremec 3550 last week - D&D Performance recommends GM Syncromesh, and nothing else. Maybe you could talk to the guys that did the pro-shifting?
Jeff, what type of fluid are the guys in your class using?
Take care, E
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1991 5.0 LX Coupe - 38,000 miles
13.17 @ 106.14 mph w/ 2.138 60'
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