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Old 05-07-2012, 12:22 PM   #1
shoebox
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Join Date: Nov 2010
Location: marianna
Posts: 4
carb problems

i have a 350 zz4 motor ,and installed a edelbrock dual plane manifold and a holley 670 carb on it .now i have a whistle noise when i rev up the motor ,ive adjusted the mixture screws with a vac. gage like holley tell you to .what should i do next ,someone told me it might be the power valve blown ?
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