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  • gm hei swap

    planning hei swap will a gear off later 4.0 fit on this swap or need 258 gear?

  • #2
    My stock 4.2l dist was modified by eliminating vacuum advance & tack welding the p/u coil then cutting and splicing longer wires to the gm ignition module mounted to the inner fender and controlled by the howell ecm .Go to gives you the info on converting your stock jeep dist to hei also check your dist shaft for worn bushings if it has side play buy a rebuilt dist.
    Last edited by scr83jp; 10-09-2006, 10:59 AM.


    • #3
      The mods eliminating the ford dura spark system really improved the performance of my 4.2l motor along with a performance prom.
      Last edited by scr83jp; 10-09-2006, 11:06 AM.