O-Ring Head to Barrel
- and -
Outside Oil Return

This will stop oil from going through head gasket into chamber.

* Stop blowing head gaskets *
* Stop fouling plugs *
* Stop Sucking oil *

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Barrel is surfaced.
Oil return is plugged top and bottom.
O-Ring groove is cut.
Heat shield or lip at top of barrel cut to crush in head.

Oil return hole is welded shut.
Head is surfaced.
Oil return is plugged top and bottom.
Threads in head for head bolts are counter-bored.

Machine 1/8 pipe thread in head for outside return.