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Head swap onto 2.6L block?

Posted by Christopher Bowen, Nov 7, 2019

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  1. Christopher Bowen

    Christopher Bowen Probationary Member

    Joined Nov 5, 2019
    Olathe, Kansas
    So yeah, I'm not to sharp and lucked up into a mighty max with the 2.6 power plant and 5 speed trans. Can I swap the 2.6 head for something mpi like a 2.0 from an eclipse or a 2.4? Would love to boost this little guy.
  2. Dhan

    Dhan Supporting Member

    Joined Apr 29, 2010
    Denver, Colorado
    Pretty sure that 2.6L in the Mighty Max is the same as the one that’s in the Mitsubishi Starion, which was the 4g54 motor. The DSM motor is a 4g63- a 2.0L motor, so you’ve got two different displacements there. Different blocks, so doubt oil and coolant passages would line up doing just a head swap.

    I’d ditch that 2.6L and install a 4g63 long block, ECU, and the supporting mods.

    2K  4

    1992 Eagle Talon TSi AWD
    awd · manual · 1G DSM
  3. motomattx

    motomattx Proven Member

    Joined Dec 9, 2010
    wampum, Pennsylvania
    It wont work, nothing would line up.

    Drag Race Build 3K  24

    1995 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
  4. Christopher Bowen

    Christopher Bowen Probationary Member

    Joined Nov 5, 2019
    Olathe, Kansas
    Right on good to know. As you can probably tell, I'm not the most clued up guy on this subject. As far as transmission goes will the 4g63 long block bolt up and if not where would I find such a gem.
  5. Hickory-NC-2Ggsx

    Hickory-NC-2Ggsx Proven Member

    Joined Dec 27, 2018
    Lincolnton, North Carolina
    Yeah you need a 2.4(4g64) engine from a mighty max to bolt a 4g63 head on.

    Street Build 193  1

    Mitsubishi Mighty Max
    manual · 4G63t Swapped

    Street Build 527  1

    1997 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM
  6. sampo

    sampo Probationary Member

    Joined Nov 27, 2019
    Liberty City, Australia
    Plenty of people turbocharging the 2.6 in Australia, They're quite strong, really depends what you want from the car. Its not exactly going to rev like a 4g63t, but with 30% more capacity it wont need to.

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