3.91 or 4.10?

If you’re gearing for the track you need gears that will have you at max HP about 150-200 feet before the stripe. If you’re having problems with your 60’ with the proper gears then you need tire and suspension.

I run 4.86 gears, 30x10.5W slicks and 1.37-1.39 60’ times on my street driven Plymouth.