GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

What ET gains going from a 30.6 street tire to 28 slick?

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Old Nov 18, 2008 | 10:46 PM
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Originally Posted by built408
you REALLY need 26" slicks. Those are going to give you the best 60'. Most people try to use the smallest tire possible, untill they get will spin, and they go up a size. But from street tires to 28" slicks, most of the time improvement should be in the 60' and should pick up a mph or so in the 1/8. And if you don't make it to the 12's, Ive got a bottle that will get you there!
Yeah, that is what alot of people said, but the 26" tires look freaking retarded... It is bad enough i am racing a 4.8, i don't need to look retarded while doing it...

Originally Posted by dug
the change in height increases your gearing from 4.10 to 4.47.
Yep that is what i figured too...
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