Looking for more HP from a 360

pinion angle shims was about 2/10's (eliminates wheel hop to a point and improves 60' times)
snubber height was about 2/10's (eliminates axle wind-up big time and and improves 60' times)
tire pressure was about 2/10's (60' times decreased)

300horse, 3300lb car and he should run 12's all day long.