Thread: Diagnosing a misfire
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Old 09-17-2016, 10:56 PM   #63
1969c10joe
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Join Date: Sep 2016
Location: lompoc ca
Posts: 228
Re: Diagnosing a misfire
Try hooking up vacuum advance to carb so it always has vacuum and raise idle get your vacuum up above powervalve values and see what happens
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