3.73 or 4.11
I have a 89 GT and this is whats done so far( Comp Cams XE282HR:282-290 duration, 1.7 roller rockers,stock heads for now, under drive pulleys,bbk cold air,73mm mass air meter,70mm throttle body, trick flow street heat intake, flow masters) runs real good but not sure what gears I should run. Any ideas would be helpful thanks.
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