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Thread: Boost Gauge

  1. #1
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    Boost Gauge

    I wanted to either find for purchase, or design and build, a boost gauge for my car, so rather than having a gauge sit somewhere on the dash, I could have the readout on my screen.

    I know Phidgets has a PSIG meter which you can use with an API setup. Does anyone else know of other solutions or somewhere to purchase something pre-made?

    I just need 0-20psi.

  2. #2
    Tainted Love Cris's Avatar
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    Why not use OBDII?

  3. #3
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    You can't get boost pressure through ODBII. You would need a proprietary protocol that is car specific to be able to read boost.

  4. #4
    Low Bitrate Daley's Avatar
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    I think I'd personally go with the Phidgits option. You'd need to build yourself a front-end for it, but at least you wouldn't have to worry about drivers and all that.


    BTW, what kinda car? Being a gear-head, I'm just curious.
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  5. #5
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    2005 GTO CGM-M6

    Can't use OBDII for the reason he said above, plus, the car doesn't come stock with any boost devices

  6. #6
    MySQL Error Scouse Monkey's Avatar
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    you could use a regular boost gauge and have a shaft encoder on it to the PC. Or look for a pressure transducer. quite easy really but the former is easier to calibrate in a way.

  7. #7
    MySQL Error scott_fx's Avatar
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    Quote Originally Posted by Scouse Monkey
    you could use a regular boost gauge and have a shaft encoder on it to the PC. Or look for a pressure transducer. quite easy really but the former is easier to calibrate in a way.

    the gauge wouldnt be able to turn a shaft encoder
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  8. #8
    Low Bitrate Stonewall78's Avatar
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    Take this article from Audi world and work from there http://www.audiworld.com/tech/elec94.shtml
    Also boost data via OBDII is going to be way to slow to be useful.

  9. #9
    MySQL Error Scouse Monkey's Avatar
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    Quote Originally Posted by scott_fx
    the gauge wouldnt be able to turn a shaft encoder
    yes it would. i bet you.

    optical ones have no drag.

  10. #10
    MySQL Error scott_fx's Avatar
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    i didnt even think about an optical encoder. you are correct sir!
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