I rebuilt a 327 sbc, ran it for a while with a edelbrock performer cam, wanted a little more cam bought a engle ep-22, had good torque good top end but less than 10 on vacuum, Would this cam have more vacuum in the 30 over 350 i have in the nova now, car is a 73 chevy nova street car, motor has been decked in the past cant see engine I.D. on passinger side block i am running 416 305 heads 184 150