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Old 07-29-2018, 07:38 PM   #5
jamador1010
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Join Date: Feb 2015
Posts: 16
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I have 04 with a C7 330 with updated software to 350. So, I would start with process of elimination. I believe you are sucking air through fuel. 1) check to be sure your fuel filter (s) do not have a double gasket left by old filter. 2) If you have a hand pump on fuel filter housing replace and install new gasket, look inside mount to make sure there are no hairline cracks. 3) check all fuel lines for loose connections and chaffing. 4) the fuel return on back of head take it off and run carb cleaner through it and blow out repeatedly. 5) make sure all pre-charge hoses do not have a pin hole and or broken or loose clamp. I truly don't believe you have a Huei pump issue. I would strongly consider running the overhead, it's easy and, it can make a big difference. Takes half the day though! Following!!!
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2004 GS Crescendo
350 Cat C7 Acert / MH 3000 Auto
Toad: 2011 Silverado Z71 4x4
Blue Ox Avanti 2
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