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Diesel Swap - CA Smog Question

Discussion in 'The Garage' started by mechted, Sep 27, 2004.

  1. mechted

    mechted 1 ton status Premium Member

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    Location:
    Granbury, TX
    Looking at doing a diesel swap on a 78 C20 and maintain CA smog requirements... is this possible? I seem to remember hearing if the engine wasnt offered that year, its illegal somewhere.... anyone know for sure?
    also, was there a diesel conversion post or 5 on here somewhere? i cant seem to find it, anyone have a link?

    thanks
     
  2. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    There have been quite a few diesel conversion posts...but the majority are in the "Diesel Forum". /forums/images/graemlins/whistling.gif

    Rene
     
  3. jarheadk5

    jarheadk5 1/2 ton status

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    I'm pretty sure in CA the basic rule-of-thumb for engine swaps is:
    After '72 or '73, if the engine...

    A: wasn't offered by the factory in the vehicle it's being installed in
    AND
    B: isn't the same year or newer than the vehicle it's being installed in

    then the swap is NOT smog-legal in CA. Also, any smog gear needed must conform to whatever the donor vehicle had (e.g. if you swapped an LT1 from a '94 Camaro into a '78 C20, the cats and other smog gear would have to come off the Camaro and be installed in the C20).
     
  4. 82diesel

    82diesel 1/2 ton status

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    Try and find a heavy duty diesel (j code for the 6.2) and there will be even less smog parts.
     
  5. K5MONSTERCHEV

    K5MONSTERCHEV 1/2 ton status

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    You swap in the diesel engine, and all the emissions components, if any, and get a BAR label.
     

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