87 Gt Holley Terminator, Systemax 2, TW 170cc, N41, Powerdyne, 3:73
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427 Posts
do you have a stock ring and pinion in it?
Posts by vinnyc5566
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87 Gt Holley Terminator, Systemax 2, TW 170cc, N41, Powerdyne, 3:73
Joined
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427 Posts
My car has a t5 with a 3.73 gears, 275/40/17 tires and i found the white 23 tooth gear from lmr to me the most accurate in my set up. The LMR calculator on Lmr told me I needed red 21 and that was incorrect giving me an issue just like yours.
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