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Thread: 1JZ auto starting to short shift

  1. #1
    RIP Scott Kalitta Automotive Encyclopaedia Mr DOHC's Avatar
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    Default 1JZ auto starting to short shift

    i pulled off my factory JZX81 cooler yesterday to test fit the new cooler, since i put it back on it was short shifting at 6500rpm, now its doing it at 6000, does anyone know what might be causign this
    JZX83+ FMIC+ Twin 2.5" dumps to 3"+ FCD+ 2800rpm stallie+ 14psi - LSD - good tyres = 12.85 @105.58

    The boobs are back

  2. #2
    Junior Member Grease Monkey cressida_1jz's Avatar
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    Default Re: 1JZ auto starting to short shift

    I had my car short shift after i cleaned the throttle body.

    I forgot to put the kick down cable on..

    Maybe a suggestion there.
    1997 JZX100 Chaser Tourer V
    1991 Cressida Grande 1JZ-GTE *sold*

  3. #3
    regular fella Conversion King chris davey's Avatar
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    Default Re: 1JZ auto starting to short shift

    Foot not down hard enough?

    Did you change anything else besides taking cooler pipes off and on again?
    Quote Originally Posted by MR 1JZ View Post
    that interior is so jap...just looking at it makes me want to kill a whale
    QUICKEST 1JZ'S IN OZ

  4. #4
    Roll Ons? Carport Converter Endless's Avatar
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    Default Re: 1JZ auto starting to short shift

    Checked fluid level?

  5. #5
    RIP Scott Kalitta Automotive Encyclopaedia Mr DOHC's Avatar
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    Default Re: 1JZ auto starting to short shift

    fluid is fine,
    i always put my foot down hard enough chris
    it kicks down fine too
    JZX83+ FMIC+ Twin 2.5" dumps to 3"+ FCD+ 2800rpm stallie+ 14psi - LSD - good tyres = 12.85 @105.58

    The boobs are back

  6. #6
    Nay sayer Domestic Engineer Mr Ed's Avatar
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    Default Re: 1JZ auto starting to short shift

    First thing to try would be to run the pipes back to the stock cooler (or no cooler temporarily) and see if this fixes the problem.
    I used to eat alot of natural foods. That was until I learned that most people died of natural causes.

  7. #7
    RIP Scott Kalitta Automotive Encyclopaedia Mr DOHC's Avatar
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    Default Re: 1JZ auto starting to short shift

    its all back to standard, i only removed it and refitted it
    JZX83+ FMIC+ Twin 2.5" dumps to 3"+ FCD+ 2800rpm stallie+ 14psi - LSD - good tyres = 12.85 @105.58

    The boobs are back

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