72 340 pass side manifold

Mopar Exhaust Systems

  1. 66fs

    66fs FABO Gold Member FABO Gold Member

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    302 heads have small exhaust ports.
     
  2. jrc4y4

    jrc4y4 Well-Known Member

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    Sorry I should have clarified. I was thinking of opening them up to gasket match and didn’t know if that would be an issue with the little exhaust ports.
     
  3. 66fs

    66fs FABO Gold Member FABO Gold Member

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    Gasket match should be OK. On exhaust I only match top and sides. I also like to have my exhaust manifolds Jet Hot coated, so they are slicker than most.
     
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    • jrc4y4

      jrc4y4 Well-Known Member

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      good to know. About what can someone expect to have manifolds coated like that?
       
    • 66fs

      66fs FABO Gold Member FABO Gold Member

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      Not sure, they are ceramic coated inside and outside. It also keeps temperatures down under the hood.
       
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