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High vacuum readings

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02-10-2014, 05:06 PM	#1
ALedbetter1 Registered User Join Date: Dec 2013 Location: Hurley Missouri Posts: 5	High vacuum readings My 84 k20 with a 350 is having outrageous vacuum readings. Its pulling about 65 at an idle at the intake. This is a lot more than the typical 17 to 22. What could be the culprit? Its got a edelbrock performer eps intake and a Holley 750 cfm carb too.

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