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Thread: intake manifold

  1. #1

    intake manifold

    I'm curious to know if it should be polished to a mirror finish or do I need to leave some porousity in it.


  2. #2
    96XPSS's Avatar
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    Quote Originally Posted by evil4g63 View Post
    I'm curious to know if it should be polished to a mirror finish or do I need to leave some porousity in it.
    Rough. It atomizes fuel as it travels through.

  3. #3
    like how much, 220 sand paper or less?

  4. #4
    Faster Than a Snail on a Log mongorunner's Avatar
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    Quote Originally Posted by evil4g63 View Post
    like how much, 220 sand paper or less?

    i used to leave my car intake mani's with a 800, take a welding rod, bend it over a few times run the sandpaper through and put the other end of the rod in a power drill... run it kind of slow through the intake and it makes somewhat simular to a hone etch inside the ports... VORTEC BABY

  5. #5
    getting waterlogged hotrod_sxty8's Avatar
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    on my lil 93 I polished it with a dremmel moto tool not a shiny polish I just got rid of the mis matched casting lines.

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