The radial will be faster, but the bias ply more consistent depending on track conditions.
If you want a street legal drag radial, get a 275-60.
I've always run M/T tires so I'm not real familiar w/ Hoosiers numbers.

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