Doing a stock remanufactured 5.9 magnum long block for my A body decided on the Howard cam with 507/533 lift and Hughes valve springs etc using stock 1.6 rockers - pushrods and roller lifters ? is do you foresee and valve to piston clearance problems I don't think there should be really don't want to pull heads to check even though I know it's better to safe than sorry anybody use this cam
