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new needle valve could be sticking?

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11-17-2012, 08:24 PM	#1
Jake's 72' blazer Registered User Join Date: Jun 2012 Location: New Hartford N.Y Posts: 11	new needle valve could be sticking? i put a new needle valve in my holly 4412. when i blow through the fuel line it works as it should shutting off the flow as i lift the bowl. but when i let the bowl go down it sticks, and i have to blow hard to get it to unseat. is the fuel preasure gunna be enough to push through it? ..

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