Quote Originally Posted by avguy View Post
The 3 WP allen bolts are not tight enough. There is sideways pressure from the belt, which can be misleading if tightening them by hand. Torque them to 89 Inch lbs using a torque wrench after verfiying that the pointers line up. Best to do this before starting it up again, because the next time it may decide to jump more than 1 tooth.

i agree with this, allowed my students to do a timing belt job, and ended up rebuilding the head. twice.