Runner was a 383 4 speed. Built it to run 12's, healthy cam, porting, intake, headers, 4.30 rear. Puller was a 76 powerwagon. 528, indy 572 heads, 15.5 to 1 cr, cammotion .800 lift roller. . . . . 940 horse at the flywheel (single 4 barrel on 118 gas). Nothing sings like a big inch mopar at 8500 rpms!