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PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Race > Lil jack and Fulton race
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Old 07-10-2015, 06:06 PM
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LiL Jack LiL Jack is offline
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I don't think Ed McGuinn changes his every 20-25. I'll ask him tomorrow were racing at Quaker City in Pa.
Yea report back.

I like that car.

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Old 07-10-2015, 07:25 PM
cosgrove cosgrove is offline
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Well over 100 passes on the last set. Changed them late last fall along with a very light head cleanup. No issues since. Straight surfaces, Cometics and spot on tune is the key.

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Old 07-10-2015, 07:51 PM
BruceWilkie BruceWilkie is offline
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Well over 100 passes on the last set. Changed them late last fall along with a very light head cleanup. No issues since. Straight surfaces, Cometics and spot on tune is the key.
Bingo... obviously you keep a comfortable distance from the egde of detonation/pre-ignition. Obviously more to it than just tune when it comes to the mechanics of it, but tune is a huge factor.
I'll add its not just gaskets you hurt, that tune can save or hurt things below the pistons.
Certainly not an E-head only issue.

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Old 07-10-2015, 08:42 PM
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Money Pit Money Pit is offline
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Yea report back.

I like that car.
Just talked with Ed, 400 shot with no head gasket issues last year.

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