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#21
04-17-2026, 08:42 AM
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Cleaned them as I do an engine, washed them out with hose. Then brake clean and air. Coated the stems with oil when I put them together, Guess something could have got in one but 4 and only exhaust.
I will keep the timing in mind. figured 32 would be a good safe starting point. |
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#22
04-17-2026, 10:51 AM
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This happened to a friends E heads. But, it was years after the heads were built. The reason, we believe is it was run very lean due to a failing and not caught in time fuel pump and failing to re-jet for lower altitude.
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Jack Ferris RestoRacing LLC www.restoracing.com Sandy, UT --------------------------------------------------- |
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#23
04-17-2026, 12:16 PM
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Exhaust valves have seals?
__________________
John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! W.E.C moment "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#24
04-17-2026, 10:37 PM
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yes seals
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