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Total novice

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  • Total novice

    AS I browse this site, it seems like natural gas as a fuel is reserved for vehicles originally built for it.

    In my youth, I noted but never investicated propane conversions for carburated cars which were purely add-ons which allowed propane or gasoline use.

    Assuming an older, non-emissions controled, carburated vehicle like my 66 4WD Suburban, is there any system that allows the use of natural gas?

    Thanks, George

  • #2
    Re: Total novice

    Welcome. As to your 66 Burb, the only emmisions device is a pcv valve. The vehicle is exempt from smog check in ca. The conversion would use the same fumigation equipment as lpg (mixer) , but substitute a high pressure regulator for the liquid to gas vaporizer.Plenty of Impco or Century equipment to be found on e-bay.

    The tank and lines are another matter. Compliance with nfpa52 ( specific regulations on tank and lines, mounting , routing , protection , fuel lockoff ,etc).

    CNGHAL , CNGMIKE , AFVMAN or others are experts and can help.