
05-22-2015, 01:59 PM
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Full Blown Member
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Join Date: Sep 2008
Cobra Make, Engine: KMP 427 S/C, Twin Paxton 511 FE
Posts: 2,594
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Not Ranked
DanEC,
I've had similar issues with my 660s.
I went at least 1/16" lower than sight plug.
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rodneym
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