M14 spec Intake duration = 288 , Exhaust Duration = 286 65 degree overlap and .372 Lift Exhaust opens 77 BBDC closes 29 ATDC Intakr opens 36 BTDC and closes 72 ABDC checking clearance .015 36fordguy PS I have it running in my street car nice drivein cam plenty lopy . Came from fuel dragster in the old days very hard to tune for every day driving.