This is a 28 x 10 bias 3.875 x 4.185 427 23 degree sbc 3250 lbs factory chrome bumpers all steel roll up windows 69 Nova has been 1.27 60 with a 8,45 SLR powerglide 1.69 low 5.00 final. Shifted 7300rpm.
I think I'd leave the 4.30, depending on speed, you may cross around 8000 in second gear. Or you could do a 4.10 to cross 2nd gear 1/8 mile.
