I would regoop the cam. set dampener at 15 BTDC. check the lobes when you regoop to see if you are on #1 or #6 compression & clock the rotor accordingly. turn housing so magnet is dead even with the tooth. make a mark on the dampener 2&7/32" CW from the TDC slit & have your dist man set it to that when it fires (vac adv capped). carb bowls filled. batt charged. fan in front of rad. front end jacked up. thermostat OUT. read "breakin secrets" at www.mototuneusa.com goose the throttle many many times during the 25 minute breakin. during mockup confirm lifters are free to rotate (hughes engines procedure).