Quote:
Originally Posted by 66_Cat_Jon
My mistake, when you asked if the studs were shouldered I thought you were referring to the "bottleneck" area like on the non-adjustable studs. The rocker studs I'm using have the top and bottom separated by the enlarged hex portion, so shouldered as you call them.
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In order to use that type of stud you need to cut down the stud bosses by about .250”. You will also need to install 7/16-14 Helicoil inserts in the stud bosses.
There’s a few pictures of the machine work done on my 1964 421 HO heads to convert them to screw-in studs in this post:
https://forums.maxperformanceinc.com...7&postcount=78