I run a stock 241 head milled down .015 and stock gaskets and figure mine in at 10.5 to 1. mine are mildly ported and only flow 256@.500 and 257@.600. mine makes 441/410 all that with a 230/232 cam.
I do have the fast 90 though.
__________________ 2000 nbm T/A
= best 60 on Nittos= 1.644 on 315x35x17 nittos
Best ET: 11.38@121.3 mph 1.62 60 ft . 3700 lbs race weight
1.59 best 60 on m/t drag radials
64ChevyII race car with 347 ls1. 10.68@124 1.53 60 ft. |