Thread: Pontiac Rocker Studs

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Pat/Trjohn57,
Can you help me understand? The concern is the bottom threaded end that threads into the head, holding down the pushrod guide plate and providing a more secure base than a pressed in stud, right? As shown it is bottoming out before it's tight which will tend to break the stud tower on the head. So is the answer to trim back that bottom length so that the hex bottoms out on the pushrod guide before it bottoms out in the hole, or are you saying that you use the ARP stud washer(s) beneath the hex to provide that clearance, plus raising the stud to center the rocker ball on the non-threaded part of the stud? Just trying to follow the process for future reference.

I cut once and had to take alittle bit more off to get it to press on the guide. Worked great. 2 down. 14 to go. I appreciate the help.

Just like used parts. This guy said this alternator bracket came off of a 70 pontiac with ram air 3. Shouldn't be any different than my 69 or 71. But of course it won't work. No way it mounts to my waterpump.
These heads normally have pressed in studs. I have the same set on the GTO. I wish they would have left that alone and not tapped them. But there are all sorts of obsticles when your going from scratch. These are #66 heads. On the 455 they make 325 hp stock. I'm putting these on a 400 ci motor. I will have to get different pistons due to the 114 cc. Fingers crossed all the time on this deal.