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intake manifold leak

  1. intake manifold not fitting

    Engine
    Can any tell me why this intake not fitting properly. It's procomp I bought it few months ago just got around to install it. Motor chevy 355 heads are chevy 14011034-2 casting, stage 3 head work. I had 3 other intakes on this motor. I never had this happen. With felpro 1205 intake sits low...
  2. Intake manifold leak

    Engine
    Hi guys, I'm trying to diagnose a problem, since last week my car started to have poor idle, poor mpg's and the exhaust smells too rich, and I noticed that the coolant overflow tank goes empty so every week I have to pour some coolant in there, the coolant problem started a month ago. I already...
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