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Thread: nitrous fuel systems.

  1. #21
    Super Moderator Turbo Mopar Staff contraption22's Avatar
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    Re: nitrous fuel systems.

    By the way, be prepared for boost creep with a stockish turbo. You're going to be getting a significant bump in exhaust volume.
    Mike Marra
    1986 Plymouth Horizon GLMF "The Contraption" < entertaining sponsorship offers
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  2. #22
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    Re: nitrous fuel systems.

    I'm expecting that. If it's to bad ill build a dual stage that drops the boost when the nitrous system is armed.

  3. #23
    Super Moderator Turbo Mopar Staff contraption22's Avatar
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    Re: nitrous fuel systems.

    That may or may not help. A better move would be to be prepared to for the boost increase with a 3 bar calibration. Bad things could happen if you hit boost cutout with nitrous activated.
    Mike Marra
    1986 Plymouth Horizon GLMF "The Contraption" < entertaining sponsorship offers
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  4. #24
    turbo addict
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    Re: nitrous fuel systems.

    .....


    “If the people of the nation understood our banking and monetary system, I believe there would be a revolution before tomorrow morning.” -Henry Ford

  5. #25
    turbo addict
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    Re: nitrous fuel systems.

    That is a VERY good point! The car is actually a 89 VNT. I've yet to find boost cut. But I will be clamping the map. The extra fuel can be easily added on the fuel side of the kit.

  6. #26
    Super Moderator Turbo Mopar Staff contraption22's Avatar
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    Re: nitrous fuel systems.

    Quote Originally Posted by ShadowFromHell View Post
    That is a VERY good point! The car is actually a 89 VNT. I've yet to find boost cut. But I will be clamping the map. The extra fuel can be easily added on the fuel side of the kit.
    Not without making it extra rich below boost cut....
    Mike Marra
    1986 Plymouth Horizon GLMF "The Contraption" < entertaining sponsorship offers
    Project Log:
    http://www.turbo-mopar.com/forums/showthread.php?69708-The-Contraption-2013-14&highlight=

  7. #27
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    Re: nitrous fuel systems.

    ^^ That's very true. With the reduced lag time using nitrous, you won't have to wait too long to bring the a/f ratios back in check.

  8. #28
    Moderator Turbo Mopar Staff Force Fed Mopar's Avatar
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    Re: nitrous fuel systems.

    Port the wastegate hole.

    Also, you could just T off the stock fuel feed line to feed the nitrous system. This is how it was done on Rick Lozier's 3.0 nitrous car. Just make sure it's jetted for your fuel pressure.

    I have also seen guys use the old overflow tank or the washer fluid tank as the reservoir for standalone setups. Pump gets triggered with the nitrous.
    Rob M.
    '89 Turbo GTC

    2.5 TIII stroker, 568 w/ OBX and 3.77 FD

  9. #29
    turbo addict
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    Re: nitrous fuel systems.

    Personal experience is boost going up no more than 3 psi when using an 80 hp jet. Anyone seen more than that?

  10. #30
    Supporting Member Turbo Mopar Contributor Turbo Joe's Avatar
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    Re: nitrous fuel systems.

    Quote Originally Posted by Force Fed Mopar View Post
    Also, you could just T off the stock fuel feed line to feed the nitrous system. This is how it was done on Rick Lozier's 3.0 nitrous car. Just make sure it's jetted for your fuel pressure.
    yup, thats how I used to do it back when I played with juice.. i used to shoot a 50shot on a stock fuel system without problems. at a 75 shot, and you have a walbro, you should be fine. pull a couple of degrees from base timing though
    Turbo Joe
    ----------------------- 87 CSX #175 TIII powered, MegaSquirt3 Pro Ultimate, GTX3076R, Turbo Joe header, Lengel intake, Menegon ported head, the list goes on

  11. #31
    Supporting Member Turbo Mopar Contributor mopar-tech's Avatar
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    Re: nitrous fuel systems.

    Quote Originally Posted by contraption22 View Post
    Bad things could happen if you hit boost cutout with nitrous activated.

    Boost cutout? whats that?

    ;-)


    Working on clearing the decks.

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