3.23s to 3.73s or 4.10s
#1
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3.23s to 3.73s or 4.10s
this isnt a 3rd gen question but i think you all can help anyways, my best friend has a 93 z28 with posi 3.23's. his gears are kind of smoked and getting worn out so hes going to get new ones. hes a daily city driver, not much freeway. what do you suggest for a big performance gain that his car can handle, 3.73's or 4.10's? how will the gas mileage change also?
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Car: 1990 Iroc-Z
Engine: L98
Transmission: 700R4
3.73s would be perfect... 4.10's would show marginal et improvement over 3.73s and for the driving he does (city) they'd kill gas mileage.
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