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Old 07-22-2001, 10:45 AM   #6
Gearhead999
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Join Date: Sep 1998
Location: Oviedo, FL
Posts: 992
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Just FYI...The main jets do effect the way the adjustments react. The fuel for the idle circuit comes through the main jets. But, they are adjusting some you said and I don't think that is your problem. It won't cause overly rich at idle and such. I think you'll find the power valve blown. If you remove carb and don't tilt it or turn it upside down. Then remove the jet plate that holds the powervalve and if you see fuel in the chamber on the vacuum side of the power valve, well it surly is blown. Common problem with Holley style carbs.
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