I run a 4.56, 33.6 tall tire, torqueflite, 3000lb car, cross at 7400 rpm. Max hp at 6900 to 7000 rpm. I have 440-1 heads, so power is likely to fall off quicker than a hemi?

8..603 156 mph best, 2905 lbs 549, indy 572-13, alky