Thanks for that great info, RPM427
So, I guess I was right with the white 23-tooth gear for a 91 T-5 w/3.55s and the Black 20-tooth gear for my Tremec is correct too.
Thanks,
E
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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'
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