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Sorry, I left out the fact that the heads were cut .5 mm to compensate for the head gaskets (.5mm thick).
Randy Greff (Greff Motors, New Orleans) uses this technique on his 911 race motor which runs close to 13 to 1 compression. The motor had head leaks before the gaskets were installed.
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Victor Toce
2000 Boxster S w/
Tequipment exhaust
1993 Spec Miata
87 911 turbo - sold
3.4 RUF pistons and cylinders
Euro CIS head
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