Originally Posted by amc49
Yeah, and where is that spec for max allowable stretch, surprise it doesn't exist. One should realize if bolt has physically deformed to stay permanently longer, it has already partially failed, which is what TTY bolts do the first time they are used. It would be quite dumb to
risk an engine on that................
You are 100% correct
if you reuse a tty bolt you risk wasting all the time and money you put into the engine...
NEVER REUSE TTY BOLTS Just a side note for everyone