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a.i.r. pump
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  1. Hotrodding Basics
    Hi All, I just had a few general questions regarding A.I.R. pumps that I wasn't able to find the answers to online. How exactly does a A.I.R. pump operate internally? I am working on my '77 Chevy truck (non-EGR) and have a few things removed. I see the A.I.R. pump operates off the v-belt, so...
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