rechecked cam gears
Flywheel at three marks
left is at 12 oclock in line with the grove in the cover
Right is at 6 oclock position
turn flywheel 360 deg to three marks Again
now left at 6 oclock
and right is at 12 oclock
firing order was set 1,3,2,4
is it possible the valve lash is way off from last person to work on it