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420 to 4g63

Posted by Thomas Mason, Nov 27, 2019

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  1. BLACK'98DSM

    BLACK'98DSM Proven Member

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    Are you planning to turbo the 420a? The stock internals can't handle more than 6 psi boost.
     

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    2012 Murray Explorer Dune
    rwd · automatic · Misc Vehicles

    Road Race Build 3K  23

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM

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    2009 Troy Bilt Bronco
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  2. Thomas Mason

    Thomas Mason Proven Member

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    Ouch, yea I would def be wanting it boosted... I’d like to have safe 400 hp build or so
     

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  3. BLACK'98DSM

    BLACK'98DSM Proven Member

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    You'll need forged internals and MS II
     

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    2012 Murray Explorer Dune
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    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM

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  4. Thomas Mason

    Thomas Mason Proven Member

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    With the 420? How bout the gst? Think I’m going for it instead. Kinda want awd but damn it’s hard to find a good one without breaking bank twice
     

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    1999 Mitsubishi Eclipse N/T
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  5. BLACK'98DSM

    BLACK'98DSM Proven Member

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    For the GST you'll need link instead of MS II, and I'd still upgrade the internals to be safe. I bet they could handle 400 crank hp, but to the wheels you'll need an upgrade. But even with the crank hp they"ll get fried after some time
     

    576  5

    2012 Murray Explorer Dune
    rwd · automatic · Misc Vehicles

    Road Race Build 3K  23

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM

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    2009 Troy Bilt Bronco
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  6. tk106

    tk106 Supporting Member

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    I follow Miguels DSM. It is NOT an easy swap. Custom drive shaft, hard to find EVO ? front axles, cut and weld front sub frame for tcase clearance and fab rear engine mount. There's probable other stuff that I'm forgetting.
     

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  7. 609DSM

    609DSM Proven Member

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    I believe he was referring to the 420a->4g63t swap not the 420a->awd and 4g63t
     

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  8. BLACK'98DSM

    BLACK'98DSM Proven Member

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    Either way requires fab work, and is not for beginners or low budget builders.
     

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  9. CarNage

    CarNage Probationary Member

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    Right.!
     

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  10. Thomas Mason

    Thomas Mason Proven Member

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    Thanks fellas
     

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  11. KYLE JORGENSEN

    KYLE JORGENSEN Proven Member

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    This is everything you need to make a EVO 8 swap with the 420a engine


    MOTOR: -Evo 8 engine -Front,rear and passenger side 420a mounts - EVO HKS 272 cams - ARP head studs - Powder coated valve cover - Oil drain line gasket - Cam Seals - OEM Water pump pulley - OEM timing tensioner pulley - OEM timing belt pulley - OEM timing belt - OEM balance shaft belt - OEM belt tensioner - OEM water pump - OEM idler pulley - AC delete belt - Valve Cover gasket - Cam gear bolts - NGK BPR7ES Spark plugs - Mobil 1 Oil Synthetic 10W-30 - OEM Oil filter - Manifold Spacer - Rack and Pinon/Oil cooler bolts - Auto relay fuel pump rewire - SS fuel feed line - Evo 8 rear main seal



    DRIVETRAIN: - 3g Eclipse trans (2.4L) -3G axles - 3G transmission plate - 3G lower transmission plate - 3G trans bolts - 3G motor mount bolts - Evo 8 flywheel bolts - 420a mount inserts - 3G trans mount - 3G slave cylinder - 3G shifter cables bracket - Pennzoil trans fluid - shifter cables 2g and 3000gt - 3G starter - 3G Clutchmasters Fx400 clutch - 3G Clutchmasters flywheel

    GENERAL: - ETS FMIC piping - Turbo gasket - O2 gasket -Down pipe - EGR delete plate - Evo 8 alternator - Tubular manifold -Heat wrap - Maf/adapter - AEM intake -Punishment Racing FMIC - Greddy type S BOV - Evo 9 turbo - Evo 8 Mishimoto half radiator - Mishimoto Slim Fans -Fuel lines - Hallman boost controller - AEM Boost gauge - AEM Air fuel gauge -Fuel lab

    FPR ELECTRICAL: - Evo 8 Ecu - Evo 8 harness - 420a Harness

    FUEL: -DeatschWerks 415LPH High Flow In Tank Fuel Pump Kit Eclipse/Talon 420a fuel pump - FIC 1200cc injectors -Base Map/Tune


    Just a basis of what is needed to do the swap from 420a to EVO 8 without a lot of fabrication (some fab still needed but not nearly as much)
     

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  12. Thomas Mason

    Thomas Mason Proven Member

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    Very informative bro thank u
     

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  13. BLACK'98DSM

    BLACK'98DSM Proven Member

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    Half of that stuff is optional. Also not sure why you included brands, as any brand of the same part will work.
     

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    rwd · automatic · Misc Vehicles

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    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM

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