Quote:
Originally Posted by doug.nichols
Thanks dpson. That looks like the ticket. I did confirm 7/16 x 14 is the correct manifold bolt.
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You're welcome. I did this myself and I'm a shade tree mechanic. I started drilling at center of the broken stud with a small drill and kept moving up in size to the 29/64. Fortunately the old head stud was relatively soft and it drilled out fairly easily. As noted above keeping the drill straight and true was a challenge, but I eyeballed it and it worked out well. I thought about using a drill guide as shown below and if I did it again would use one.