Intake machining
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Intake machining

  1. #1
    One part at a time... JohnnyNitrous's Avatar
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    Default Intake machining

    Anyone have specs on machining an intake for a shoe and rideplate?

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    jetboataholic HawaiianJet's Avatar
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    Quote Originally Posted by JohnnyNitrous View Post
    Anyone have specs on machining an intake for a shoe and rideplate?
    Cut stuff out till it fits!

  4. #3
    One part at a time... JohnnyNitrous's Avatar
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    Well thats helpful.....ever used a mill?

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    jetboataholic HawaiianJet's Avatar
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    It was a joke! I use a mill everyday! I do work in a machine shop!

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    Senior Member Brendellajet's Avatar
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    Depends on the shoe. I think you are gonna get the same advice from others. Why would they just give you the info when thats the type of info some get paid for...?

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    Senior Member GAWnCA's Avatar
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    Quote Originally Posted by Brendellajet View Post
    Why would they just give you the info when thats the type of info some get paid for...?
    Because that's what these forums are all about. Sharing information and helping each other do things on their own. Tom and Josh over at Jet Boat Performance do boat work for a living and are more than willing to answer questions. It's not always about the money.

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    Senior Member jetboatperformance's Avatar
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    Johnny machining is going to depend on the shoe the intake the hull etc Tom

  10. #8
    jetboataholic HawaiianJet's Avatar
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    Here is a post from my thread on this subject, with great pictures.

    Quote Originally Posted by Squirtcha? View Post
    The shoe and shim installed. Note the step down on the right. This is where the rideplate affixes. There are four countersunk bolts that hold the shoe to the intake. I believe it's two 3/8" and two 5/16". The four across the back (right hand side in the photo, again I think 5/16" on those) hold the rideplate to the shoe and continue on through to threaded holes in the intake. It's a sangwich. I believe there are three shoes (some say four) to choose from depending on what you're trying to accomplish. Mine's a backcut (in the pictures), there's a flat (what's on my other boat), and a tapered. You'd have to consult with someone who knows how it all works, but I believe the backcut is designed to raise the whole boat, The tapered is to get the bow to ride higher and not necessarily provide lift to the back. The flat I have no idea. I'm running a flat in my other boat, but have tried a backcut and found no significant difference between the two.

    Hope that helps some.



    Shoe and shim removed. Note the countersunk hardware.



    The area that needs to be machined for the shoe and rideplate.



    Shoe and shim flipped upside down to show how the bevels have to mesh up with one another.

    And one more picture I got.

    Quote Originally Posted by jetboatperformance View Post
    Hope all this helps you get an idea of what needs to be machined.

  11. #9
    Glendale Arizona Squirtcha?'s Avatar
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    Just to add a little more information. Here's a picture of the whole works assembled since the above photos don't show how the rideplate fits into the deal. Don't mind the missing bolts in the shoe. I have to pick some up.

    I've also been informed that the shoe pictured above is a "closed edge" shoe. Not sure what exactly that means, but there ya go.


  12. #10
    One part at a time... JohnnyNitrous's Avatar
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    Thanks for your input everyone. It seems I will have to get a shoe and figure out how much to machine from there. I understand no one wants to give away thier secrets. i just thought there was a standard procedure for doing it. Thanks. John.

    What is the most common shoe used?

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    Senior Member Josh@JBP's Avatar
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    Heres a diagram from American Turbine for Dominator Intakes (works well on Berkeley intakes also). These measurements will alow you to use off the shelf shoes, or if you plan on making your own it should serve as a good guideline

  14. #12
    One part at a time... JohnnyNitrous's Avatar
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    Wow thanks alot Josh that helps me out alot!!

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    jetboataholic HawaiianJet's Avatar
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    That's a great diagram. Where was that picture when I was considering shoeing my intake?

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    Super Moderator HammerDown's Avatar
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    Thumbs up

    Also if doing a setback on a Berkley Intake you can take some material off the rear end so the intake can be set back a little further...without busting through the Hull that is. MPD did it on mine
    <img src=http://www.performanceboats.com/gallery/data/500/medium/06-30-11_1234.jpg border=0 alt= />

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