4.30 vs 4.56 gear

I would go with 4.10's personally (that is what I run with my 408 small block). Works great for 1/8 mile and just barely works for 1/4 (hits the stripe @ 7100 ish)....this is with my 6.5 @104 1/8 mile 10.3 @ 130 1/4 mile street car.