I guess I didn't take very good pictures when dismantling my 1962 292, because I can't find out what bolts into these holes in the heads. empty - a set on Flickr
They are all the way to the back and not covered by the intake. For now, I just plugged them with short bolts, but I was thinking that at least one of them would be used for a ground wire. Is that correct, or is there another purpose?
Thanks for your answer. Pretty much what I figured, but just wanted to verify with others. I used 3/4 in bolts, and they look like they clear by the time you add a washer and maybe another attachment in there.