340, .030, stock rods/crank, Comp cams .519/.524 hyd extreme cam,X-heads with VERY LITTLE porting but port matched,2.02/1.60 valves, 1 3/4" with 3" exhaust to the rear, M-1 sp,1" 4-hole spacer and a 750dp with a pro-form body.

All in my 3250lb street duster with a 727,8" 4200 converter and 4.56 gears. I had some carb problems but still ran 12.07@108 thru the exhaust. NON-STROKER SB's can run!!!!