(1) do "rockover" to see if the cam is phased correct to the crank (2) set (turn) dampener to 15 BTDC (3) line up magnet (4) see if rotor is under the #1 plug wire cap terminal (#6 plug wire if you are checking rockover (pushrod movement/even height) on the the #1 cyls' pushrods) EDIT in fact I am going to ASSuME that you were good dot to dot & no gross errors in timing gears keyway/dots and cam when mfr'd & I'd forget rockover for now & just take care of the dist