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PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Race > NO EXHAUST VALVE SEAL? OK?
 
 
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Old 09-04-2008, 11:00 AM
altfueler altfueler is offline
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Default NO EXHAUST VALVE SEAL? OK?
I TRADED & HAVE A SET OF 7K3 HEADS I AM ABOUT TO INSTALL ON MY ENGINE. THEY HAVE A FRESH 3 ANGLE VALVE JOB, NEW DUAL SPRINGS, ETC.

THEY HAVE NEW INTAKE VALVE SEALS ( BLACK WITH YELLOW & HAVE THE METAL RING ), YET EXHAUST VALVES HAVE NO SEAL!!!

SOMEONE ALSO MISTAKINGLY INSTALLED THE SMALL FLAT O-RING AS WELL, THE TYPE THAT IS A SECONDARY SEAL FOR STOCK TYPE VALVES WITH THE GROOVE. THESE VALVES HAVE NO GROOVE SO THE O-RING IS USELESS!!!

IS THIS OK TO RUN NO EXHAUST VALVE SEAL? I HAVE SEEN SOME THREADS SUGGESTING THIS......JUST WANT A GOOD OPINION.

I AM THINKING OF REPLACING ALL THE SEALS WITH THE GOOD PIONEER VITON, JUST TO BE SURE.

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