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Bored&Stroked · 03-31-2021, 11:22 AM

I'd go for the 16/28 combination . . . as you really don't need the 15/29 combination - especially if you're not in a heavily loaded pickup.

Transmission gear selection in this case is really not related to your HP numbers - it is more about the combination of rear end gears, tires, weight and RPM ranges. If you're running a 39 trans - you really don't have a lot of choices - even if you go down to 25T or 26T Zephyr gears - which usually hurt acceleration in a normal street car.

03-31-2021, 11:22 AM	#16
Bored&Stroked Senior Member Join Date: Jan 2011 Location: Central Ohio Posts: 5,070	Re: How to compute HP I'd go for the 16/28 combination . . . as you really don't need the 15/29 combination - especially if you're not in a heavily loaded pickup. Transmission gear selection in this case is really not related to your HP numbers - it is more about the combination of rear end gears, tires, weight and RPM ranges. If you're running a 39 trans - you really don't have a lot of choices - even if you go down to 25T or 26T Zephyr gears - which usually hurt acceleration in a normal street car.