exhaust manifold

  1. alc4819

    Headers

    I’ve been thinking on putting some long tube headers on my 86 k20. It has all the original smog pump and air lines running all over the place including going into the stock manifolds. I’m wondering if I put new headers on and block off the lines going to the manifolds if that will create any...
  2. R

    84 C30 Exhaust - Stymied

    I am working on a 84 C30 that had a GM Crate engine put in it. The heads are 882 and only have the 6 hole exhaust stud config. The exhaust manifold on the passenger side has a 7 hole stud config. The people that put the engine in just never bolted the last stud. Both manifolds are over the...
  3. Jimmy84

    1984 gas conversion exhaust manifold issues

    I'm in the process of replacing my 84 6.2l with a 1994 G20 5.7l TBI engine. The engine has less than 70k miles and is in great mechanical condition. The problem I'm having is trying to connect the 84 diesel Y-Pipe to the 94 exhaust manifolds. When I performed this conversion before, the...
  4. J

    Chevy 250 Exhaust Manifold

    I've looked around and can't seem to find any information so hopefully y'all might now. Has anyone seen this exhaust manifold before? I know people make them custom but I don't believe that is the case with this. If someone does know, is it true dual or just dual output? Eventually looking...
  5. 79Square

    79 250 integrated head exhaust manifold crack

    I'm reposting this thread under engines, since I previously posted under the wrong forum earlier. So if you are re reading this, I apologize. I have noticed that I have a cracked exhaust manifold for my 79 250 inline 6 with the integrated head. I have searched online, and can not find anything...
  6. 79Square

    79 250 integrated head exhaust manifold crack

    I have noticed that I have a cracked exhaust manifold for my 79 250 inline 6 with the integrated head. I have searched online, and can not find anything for a replacement. I can find plenty for the NON integrated. Can anyone help on where I can find one? Thanks.

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