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Differences between 90 and 91 cars

Posted by Mitsu-MattGSX, Nov 4, 2017

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  1. Mitsu-MattGSX

    Mitsu-MattGSX Probationary Member

    Joined Oct 30, 2017
    Pittsburgh, Pennsylvania
    I was wondering if anyone could tell me the exact differences between 90 and 91 cars. My friend keeps telling me to get a 91 because they're apparently better than 90 cars. Another friend of mine says he doesn't touch 90 cars because of "all the little differences" I drive a 90 GSX for clarity
  2. motomattx

    motomattx Proven Member

    Joined Dec 9, 2010
    wampum, Pennsylvania
    Transmission, oil cooler setup, 3 bolt vs 4 bolt axles, spline counts on certain shafts, wire harness on the cas vs a plug on the newer 4g63, completely different throttle body and isc and tps sensor, different ecu pinout. Thats about it, neither are "better" just different.

    Drag Race Build 3K  24

    1995 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
  3. 2gmitsueclipse

    2gmitsueclipse DSM Wiseman

    Joined Jul 13, 2005
    Auburn Hills, Michigan

    Autocross Build 19K  47

    1998 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM

    Street Build 2K  0

    1999 Mitsubishi Eclipse GST
    manual · 2G DSM

    Autocross Build 3K  0

    1990 Plymouth Laser RS Turbo
    manual · 1G DSM
  4. Mitsu-MattGSX

    Mitsu-MattGSX Probationary Member

    Joined Oct 30, 2017
    Pittsburgh, Pennsylvania

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