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  1. #11
    North of the land of Hey Huns
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    Generally: No. You will not be able to connect with two devices and make sense of it. Also, if you get megasquirt, it will not be OBD2 compatible so A: Your car will fail inspection/emissions if it is required where you live, and B: You will not be able to use Torque or any other OBD2 application. You will have to use an application which supports megasquirt's data stream.

    Also, have you had any experince with tuning? Starting tuning with a boosted motor is a very good way to waste money and start fires . Tuning a high performance motor is something that should be done after a few years of playing with tuning on much lesser, safer motors. If you do, then you should be fine using megasquirt, and just finding a gauge application that works with it.

    I'm actually running into some of the same issues you are with my Camaro project. What I wound up doing, was writing my own software to do the tuning and gauges both, and then running two computers. One for tuning (Windows based), and one for the gauges (linux based). This allowed me to have a supplementary gauge setup to assist (not replace) my stock gauges, and also give me the ability to retune on the fly.

    I believe there is software out there already that you may be able to use if you are not able to program, to view megasquirt gauges in a prettyish way, but you can't replace the reliability, speed, and safety that things like a manual boost gauge give you.
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  2. #12
    Constant Bitrate BoyRacer0013's Avatar
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    I plan on using TunnerStudio for my tunning and gauges, there is a free version that has some pre-made gauge displays if you want to play with it. But TunnerStudio is a MS only application.

    For emissions, I assume that when you take the car in for the testing they plug into your OBD2 port, so you will need to keep that function. This is where the plug-n-play (or doing a parallel installation) comes in, when you go for testing remove the MS and reconnect your stock ECU, and stick it to the man Do you know how your stock gauges are driven, if they run of the ECU you will probably need to do a parallel install with a MS, so swapping ECUs wont be an issue.
    Enter the LOTUS...
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    Pre-build thread


    Planning: ::::::::::::
    Parts: ::::::::::::
    Build: ::::::::::::
    Test: ::::::::::::
    Install: ::::::::::::

    Oh, yeah, and build the car... ::::::::::::

  3. #13
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    very useful information, thank you. +reps. I had no idea megasquirt wasn't OBDII compatible.

    I actually have no experience with tuning. im being told time and again I need experience, and as I dig deeper, I start to agree more and more. would you recommend a system from SCT?

    also, would you know if there's a way to get boost/vac data to appear on a OBDII-based gauge software like torque? I don't have a stock sensor, and I don't know if my 'stang computer can handle it.

  4. #14
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    Quote Originally Posted by BoyRacer0013 View Post
    For emissions, I assume that when you take the car in for the testing they plug into your OBD2 port, so you will need to keep that function. This is where the plug-n-play (or doing a parallel installation) comes in, when you go for testing remove the MS and reconnect your stock ECU, and stick it to the man Do you know how your stock gauges are driven, if they run of the ECU you will probably need to do a parallel install with a MS, so swapping ECUs wont be an issue.
    I'm almost positive my gauges run from the stock ECU, it may be the BCU, though. nonetheless, communication is going to be ruined by replacing the ECU. im leaning away from MS for this reason.

  5. #15
    Constant Bitrate BoyRacer0013's Avatar
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    Quote Originally Posted by Joel Maxwell View Post
    I'm almost positive my gauges run from the stock ECU, it may be the BCU, though. nonetheless, communication is going to be ruined by replacing the ECU. im leaning away from MS for this reason.
    I see, are you still going to try to have the ability to change tunes on the fly?
    Enter the LOTUS...
    (more info here)


    Pre-build thread


    Planning: ::::::::::::
    Parts: ::::::::::::
    Build: ::::::::::::
    Test: ::::::::::::
    Install: ::::::::::::

    Oh, yeah, and build the car... ::::::::::::

  6. #16
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    Quote Originally Posted by BoyRacer0013 View Post
    I see, are you still going to try to have the ability to change tunes on the fly?
    SCT has several tuners. They have some hand-held stuff for really dinky mods for CAIs and getting the extra 10hp from 91/93 octane fuels. Turns out, the local tune-shop uses SCT. For the heavy mods like boost, they use SCTs chip. The chip is a little over $100 and the tune is $700 a piece. That's exactly what I didn't want to do. The expensive chip carries 5 tunes, but its entirely digital control.

    What I've found is this neat site: http://www.moates.net/
    They sell a product called QuarterHorse. Its given me a great lead on some software that might just do the job.

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