32" tire, powerglide...that thing needs a lot more gear than 4.10. We've run up to a 5.43 gear in the Camaro w/ a 29.5x10.5 tire and a 1.76 glide. Just running 1/8 mile though.
I agree w/ the others and use a 4.88.

CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax