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**truckster** · 06-21-2017, 12:26 PM

Rear gears. With a 454 you don't need a 4.11 unless you're drag racing. My Z28 has 2.72 gears in it and can still light up the tires. I'd look at maybe a 3.23 ratio.

06-21-2017, 12:26 PM	#5
truckster Senior Member Join Date: Jan 2001 Location: Orem, Utah Posts: 7,829	Re: 454 + TH400 + 4.11 POSI = no freeway Rear gears. With a 454 you don't need a 4.11 unless you're drag racing. My Z28 has 2.72 gears in it and can still light up the tires. I'd look at maybe a 3.23 ratio.