the motor is a 632 with 10.5 to 1 compression the cam is a roller intake gross valve lift is .785 exhaust .766 duration at .050 intake 278 exhaust 290 i called comp they said this cam is for racing this is a street car do you thing it will work? also spacer is phenolic can you tap that stuff? and do you think i will have enough vacuum with this cam thanks zano