Gen 5 can i use oldstyle intake
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Gen 5 can i use oldstyle intake

  1. #1
    Broke and Pissed nightrider go's V-drive's Avatar
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    Question Gen 5 can i use oldstyle intake

    I have a 97' bbc 454, gen 5 !?? I want to go to a carb set-up?? Can I run a IV style??? oval or sqr. port,,,the gen 5 intake gasket seems to line up good with my square port tunnel ram??? any body know for sure??? thanks!!!!!!!!!!!!!!!

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    Some guy obnoxious001's Avatar
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    Yes, manifolds are interchangeable between them.

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    Hell Mercury Marine did it. All of the peanut port headed 5's and 6's came with Mark 4 cast iron intakes. You talk about a port mismatch.
    Chris Straub
    Straub Technologies

    3HP is an A$$ Whooping!!! JW

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    Broke and Pissed nightrider go's V-drive's Avatar
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    Thanks for info. I was hoping they would work but after finding out oil pan and timing cover where dif. I wanted to be sure!! sure saves me hassles..........thanks.again!!!!!!!!!!!!!!!!keith

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    Some guy obnoxious001's Avatar
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    Quote Originally Posted by cstraub View Post
    Hell Mercury Marine did it. All of the peanut port headed 5's and 6's came with Mark 4 cast iron intakes. You talk about a port mismatch.
    I didn't consider or ask about ports, just thought he was asking if it would bolt on.

    That port mismatch deal has been the subject of discussions for years. I personally ran a rectangular port intake with oval port heads on a flatbottom I had years ago. I had guys telling me there was no way it would run.............right up until they saw it.

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    Quote Originally Posted by obnoxious001 View Post
    I didn't consider or ask about ports, just thought he was asking if it would bolt on.

    That port mismatch deal has been the subject of discussions for years. I personally ran a rectangular port intake with oval port heads on a flatbottom I had years ago. I had guys telling me there was no way it would run.............right up until they saw it.
    Yeah when I unbolted mine from my '97 Gen 6 I could not believe the mismatch but hell at 300HP out of 454 cid its not a big deal. We also use to bolt on the square port intakes on the Oval stuff in pull truck stuff. I agree is didn't look good but they ran.

    I don't mind a little mismatch in the floor area. .. I think a little "tumble" is good.
    Chris Straub
    Straub Technologies

    3HP is an A$$ Whooping!!! JW

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