Originally Posted By D-50
Thumper, my cranking compression is 195~200 and drive and race on 93 octane. Not sure if that means a lot.


Ya I know several base cranking comp on fuel but it goes up as rpm`s climb so 101 for me as all we have is 91 crap and not worth the risk. I have mixed 110 leaded in the past w/91 and it seemed fine so maybe avgas or mixing for the track..........

Last edited by Thumperdart; 08/01/16 06:39 PM.
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....