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Old 07-03-2017, 10:03 PM   #165
Ol Blue K20
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Join Date: Nov 2012
Location: Vacaville , CA
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Re: Newbie, Buying my first. 72 GMC K20

Wow! That intake wouldn't be a vacuum leak. That's the heat cross over and would sound like an exhaust leak. Those push rods should of made run really bad.
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