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454 head pipes, 350 engine

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by R72K5, May 5, 2003.

  1. R72K5

    R72K5 Banned

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    ok i have a complete pair of custom bent or possibly OEM exhaust pipes from a 74 C20 454 pickup i cut up last fall and i have an 82 c-10 longfleet 2wd that is SBC truck, now is there any chance of the 454 head pipes working with for a 350 with 70's style stock manifolds ? the 454 had stock manifolds on it too. (older regular 3-stud flange type manifolds setup)
     
  2. Don

    Don 1/2 ton status

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    No, the big block's all have a single port for each exhaust valve, whereas a small block has the two center [siamesed] port's. And the big block head's are longer than a small block.
     
  3. KShortell

    KShortell Registered Member

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    I don't have an answer. But, to clarify this-- he's talking about the doughnut gasket joint for the head pipe connection to the manifold.

    Kevin
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