Yep! my current motor .. 410 c.i. ( 360 Magnum block ) ,W2 heads , 585/595 lift cam , 9.5 to 1 compression on pump gas makes as much h.p. on the dyno as it did with 11.5 to 1 compression , stock stroke on race gas and it makes 70 more lbs.of tq. Also my 410 makes 25 hp more than my old 340...