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Thread: Removing speed cut from a JZA70

  1. #1
    Forum Member 1st year Apprentice
    Join Date
    Jul 2009
    Location
    QLD
    Posts
    19

    Default Removing speed cut from a JZA70

    Hi all,

    I'm heading to Queensland raceway in the Supra on Thursday. Is there a cheap/easy/quick way to remove speed cut. I dont really fancy hitting it half way down the front straight.

    I'm guessing it's not as simple as cutting the speed input to the ECU?

    Obviously a speed cut defender can be done, but i have a AEM fully programmable ECU being installed soon, so i dont really want to waste money on a speed cut defender i wont need soon.

    cheers
    Kris

  2. #2
    Junior Member Backyard Mechanic zombie's Avatar
    Join Date
    Mar 2006
    Location
    WA
    Posts
    355

    Default Re: Removing speed cut from a JZA70

    if you're manual then cutting the wire will do it (engine check light will come on after certain time and revs but nothing detrimental), but I think it will play up if you're auto
    1990 JZA70 R - BLMQZ
    m a n u a l
    Dark green mica

    14.118 @ 101.01 mph (Perth Motorplex, 24/05/06)
    252.1 HP (Hyperdrive, 11/11/06) / 264.2 HP (XSpeed, 24/02/07)

  3. #3
    Forum Member 1st year Apprentice
    Join Date
    Jul 2009
    Location
    QLD
    Posts
    19

    Default Re: Removing speed cut from a JZA70

    yes its a manual! cheers!

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