Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2004 dodge ram 1500 4.7 v8 rebuild heads break in procedure › 2004 dodge ram 1500 4.7 v8 rebuild heads break in procedure January 20, 2020 at 4:13 am #895804 Agustin moralesParticipant I replaced the lifters & reused my cams. Didn’t see anything wrong with cams so assumed it was ok to reuse.