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  1. #1
    King Diamond's Avatar
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    Increasing Boost

    I am fairly new to the PWC world. And even more new to how turbo chargers operate. A buddy of mine is into building racecars. He has a 500hp supra with twin turbo’s. He was telling me he was able to increase the boost by placing shims between the turbo and where it mounts. Can the same logic be applied to an r12-x? Anyone heard of such a thing?


  2. #2
    Water Bum Rodneyae's Avatar
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    Never heard of using shims.... But you can increase boost, by other methods.

  3. #3
    King Diamond's Avatar
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    Other than macsboost? Just looking for less expensive alternatives.

  4. #4
    Bob 1tommygunner1927's Avatar
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    Quote Originally Posted by King Diamond View Post
    Other than macsboost? Just looking for less expensive alternatives.
    Sounds like you want Super Jims Alfa kit......

  5. #5
    King Diamond's Avatar
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    Quote Originally Posted by 1tommygunner1927 View Post
    Sounds like you want Super Jims Alfa kit......
    I actually sent him an email requesting more info. I had read about it in some older posts. No response yet. Do you have it? If so what kind of results did you get.

  6. #6
    Moderator RX951's Avatar
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    Quote Originally Posted by King Diamond View Post
    I am fairly new to the PWC world. And even more new to how turbo chargers operate.
    http://auto.howstuffworks.com/enlarg...llery=1&page=0

    http://www.turbo-kits.com/how_turbos_work.html

    http://www.mazdarotary.net/turbo.htm
    Last edited by RX951; 03-08-2008 at 08:24 PM.

  7. #7
    Bob 1tommygunner1927's Avatar
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    No, I do not have the Alfa kit.....it's a manual boost control valve, but I will defer to Super Jim for more complete info.

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