I would stick with the GM Syncomesh fluid. It's what Tremec recommends.
Just go down to your local GM dealer and buy some from the parts dept. It's about $11-$12 a quart.
E
__________________
1991 5.0 LX Coupe - 40,750 miles
331 cu. in. / Tremec 3550 / BFG Drag Radials
12.22 @ 114.31 mph - w/1.89 60'
|