Went 10.10/137 at Palmdale (LACR) with a 470/stage 4 in a Duster in the mid 90's. That would translate to 9.60-9.70/140 at sea level on a level track. You need someone that knows how to port the heads.

Last edited by Mike Swann; 12/12/19 02:53 PM.
8.30's @3400 lbs