I did "straight" 7/16" screw-in studs the second year I owned my car.
Then I pinned them. No issues from 1966 to 2013 with those 716 heads.
Tom V.
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"Engineers do stuff for reasons" Tom Vaught
Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward.
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