ET'S with ported J/or other iron heads SB

toolmanmike said
11.54-11.70 depending on what calc or chart you use. I take the 1/8-1/4 conversions with a grain of salt. Way too many variables.

Well, most mid 11 second cars go about 7.50's in the 1/8. My friends Duster, for example, goes 11.5's in the 1/4 and runs 7.5's in the 1/8.