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2003 chevy 2500hd quatum system

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  • 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
    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.

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    • #3
      Re: 2003 chevy 2500hd quatum system

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

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      • #4
        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!

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        • #5
          Re: 2003 chevy 2500hd quatum system

          they are the same

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          • #6
            Re: 2003 chevy 2500hd quatum system

            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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