Originally Posted by Fastdriver1992
how do i know which type it is???
IIRC, the difference is in the shank of the bolt in between the threads and the head.
One looks like this (the bolt on the right)...
...and the other type looks like a regular bolt.
Off of the top of my head, I can't remember which one gets torqued more, but I know I've seen it in one of the LS1 books floating around out there.