Why the edit the OP Mods?
That Said, I'm NOT THE Super Duper Engine Guy, I build, but I'm slow. And Paranoid! Don't wanna build a Grenade, caint afford to and dont wanna do the labor 2x...but that looks like the copper inner is showing. Something ate em up a Lil!. Ain't NO WAY I'd run them, unless I was stranded..who knows if they'll hold crush, or if they'll continue to shed metal?
@RustyRatRod