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  1. 04-25-2006, 04:35 PM #1
    whittlebeast
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    Required reading for understanding EFI

    The three Methods of EFI basics

    Alpha-n vs Speed Density vs MAF

    http://www.carcraft.com/techarticles/24549/


    A great general description on (mostly Speed Density) EFI systems The people on Haltec use the Megasquirt site for general info.

    http://www.megasquirt.info/v22manual/mfuel.htm

    Tuning theory explained

    http://www.megasquirt.info/v22manual/mtune.htm#theory

    Feal free to ask questions as the MS site is all about sharing and teaching.

    AW
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  2. 04-25-2006, 06:20 PM #2
    RX951
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    Very good Post

    you should post this on the Yamaha side too....it will benefit both sides
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  3. 04-25-2006, 06:22 PM #3
    Shibby1485
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    was definitely a good post and good article to read. what's a 4-tec.... Speed Density EFI
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  4. 04-25-2006, 06:28 PM #4
    whittlebeast
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    At least the $5000 Seadoo one is Alpha-N.

    AW
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  5. 04-25-2006, 06:31 PM #5
    Shibby1485
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    how'd i know u were gonna say that, lol
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  6. 04-25-2006, 11:57 PM #6
    HOSS
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    Didn`t educate me in the least. But it does help those with lESS understanding. Maps, density, curves, boost,,,you boys are funny. Thats why I come here all the time. I really like ya`ll. 12.7 perfect A/F ratios,,,at 8g,,,,,,,,,,,,,,,,its getting hott in here,,,lets melt off ,,ALL OUR CLOTHES!
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  7. 04-26-2006, 12:21 AM #7
    Shibby1485
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    u guys should see the carbed XP Whittlebeast did some work on..... custom intake, throttle body, EFI on a 2-stroke XP! it's pretty sweet
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  8. 04-28-2006, 06:00 PM #8
    JD 1
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    Bad Bruce Heape did most of the work on that XP, Bruce is the guy that built our 6 inj. manifolds

    Awesome post Andy, Im learning everyday
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