Quote:
Originally Posted by KiWinUS
Tim the plugs break off as they tighten to there designed torque. They are like a cast iron pipe plug. Other than asthetics you don’t need to grind them @ don’t need to peen them. This repair would never be seen with intake on so just leave as is no grinding. I have repaired many cracks with this system. I put red loctite on plugs. Have had great success with them.
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I'm with Tony . . . this is the method that I would consider (as long as I can get a drill into the location). If you can drill it, you can probably fix it with this method and I'd have confidence in it holding. If you happen to have any sort of slight weeping afterwards, just use Moroso water glass to seal it from the inside (follow the directions closely!).