I don't know about just lifters but I was told by several tech's at Comp Cams that I could of expected a 5-10% increase in HP by going full roller in my '69 block. Good luck!
__________________
Red 1993 GT Street Machine
Best E.T. - 12.41/Best MPH = 108
Engine is a 1969 351 block w/393 stroker kit. Dynamic Roller Myte C4, 8 pt cage. Edlebrock Performer heads and Victor Jr. EFI, FRPP 30lb injectors & Cartech fuel system. MSD ignition. Sothside Machine bars & Sub-frames, adj. upper's, 3.73's, Koni rear shocks, much more
|