Quote:
Originally Posted by Vortechys
You might want to try to Helicoil the stripped bolt hole. Helicoil's are threaded inserts.
They make all sizes and work great. This would save you from needing a new head.
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The problem is not in a threaded bolt. When the threads are torn off, the injectror begins to vibrate. The tip of the injector is sealed by a teflon ring, from vibrations it breaks the landing surface of this ring in head and the exhaust gases from the combustion chamber come out through injector hole in head.