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Thread: 2003 chevy 2500hd quatum system

  1. #1

    Default 2003 chevy 2500hd quatum system

    Thinking of buying 2003 chevy 2500hd with quantum cng system , have trucks with impco systems that i like, could someone tell me if these quantums are good systems and can i find parts for them thanks

  2. #2
    Join Date
    Dec 2007
    Location
    Cadillac, Mi. / Deland, Fl.
    Posts
    1,068

    Default Re: 2003 chevy 2500hd quatum system

    Quantum, Impco same system just a different name. '03 should be a 6.0 litre which is fuel injected. Good system that should provide troublefree operation. Parts are around but starting to run low on some items. Shouldn't be too hard to keep it running.

  3. #3
    Join Date
    Oct 2007
    Location
    Mountain Green, Utah
    Posts
    1,143

    Default Re: 2003 chevy 2500hd quatum system

    I've enjoyed my '03 Silverado.
    Jared.
    Mountain Green, Utah
    2003 CNG Cavalier
    2003 CNG Silverado 2500HD

  4. Default Re: 2003 chevy 2500hd quatum system

    Does anyone know if the systems are different for a 04 vs 05 bifuel 6.0l 2500. Thanks in advance!

  5. #5
    Join Date
    Dec 2007
    Location
    Cadillac, Mi. / Deland, Fl.
    Posts
    1,068

    Default Re: 2003 chevy 2500hd quatum system

    they are the same

  6. #6

    Default Re: 2003 chevy 2500hd quatum system

    Quote Originally Posted by nilley23 View Post
    Does anyone know if the systems are different for a 04 vs 05 bifuel 6.0l 2500. Thanks in advance!
    Late 04-06 had a type 4 tank.
    GM World Class, F1 Cert
    05 Crew cab 4X4 Silverado LS
    03 Cavalier
    01 Cavalier (sold)

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