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Friend just purchased AT&T IMPCO conversion Express 2500, what is CNG system worth?

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  • Friend just purchased AT&T IMPCO conversion Express 2500, what is CNG system worth?

    Good friend just purchased a 2013 AT&T Express 2500 van that was converted by IMPCO when new. CNG is not really an option for him so we converted it back to gasoline. The system and tanks was recertified November 2019. We need an idea if the system and tanks are sellable and what parts might be worth. Any help is really appreciated. Thanks!

  • #2
    Dear ...guy, The cylinder would be the only component that may have value. The other items are vehicle specific unless you can find someone with another express Van. The term 'recertified' is misleading. Look closely at the label on the cylinder. It will have an expiration date. Beyond that date the cylinder can not be recertified. They can and should be inspected by a certified inspector regularly.

    I hope this helps and good luck. Signed afvman

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    • #3
      There is also possible value in the fuel pressure regulator (maybe $250 and the injectors maybe $40 each).
      Very interested to know where the van came from... my understanding is that AT&T was not going to make them available on the secondary market.

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      • #4
        Originally posted by John Mitton View Post
        There is also possible value in the fuel pressure regulator (maybe $250 and the injectors maybe $40 each).
        Very interested to know where the van came from... my understanding is that AT&T was not going to make them available on the secondary market.
        I have seen them at copart auction houses. These are dealer only auctions.

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        • #5
          He actually bought his at Copart. AT&T CNG conversion done st IMPCO. Only has 22k miles. Converted back to gasoline and is a great van. When he drove it back from Illinois he had to go 60 miles out of his way to get fueled. It just would not work for him. The system is out except for the rear 2 tanks underneath. The tanks were made by Faber in Italy. They are good until 9/2026. One tank is 79.9 liters, other 90. He is going to Oklahoma in a couple weeks and could bring them.

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          • #6
            List them on a Ebay auction starting at $100 each tank.

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            • #7
              Originally posted by Kcmocarguy View Post
              He actually bought his at Copart. AT&T CNG conversion done st IMPCO. Only has 22k miles. Converted back to gasoline and is a great van. When he drove it back from Illinois he had to go 60 miles out of his way to get fueled. It just would not work for him. The system is out except for the rear 2 tanks underneath. The tanks were made by Faber in Italy. They are good until 9/2026. One tank is 79.9 liters, other 90. He is going to Oklahoma in a couple weeks and could bring them.
              Are these late model conversions the same compression as gasoline? What does it take to convert to gas? gas tank obviously, remove cng tanks and plumbing...what else?
              thnx
              bob

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              • #8
                The IMPCO conversion done on AT&T vans start with a standard gasoline 6.0. That is important. Then IMPCO changes injectors, fuel tank, lines and tune. Not easy to retrofit but it can be done.

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                • #9
                  Once you make the physical changes then a re-flash of the PCM to the OEM calibration is needed at the dealer.

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                  • #10
                    Originally posted by John Mitton View Post
                    Once you make the physical changes then a re-flash of the PCM to the OEM calibration is needed at the dealer.
                    Correct. It did start and run on the CNG tune but the guy that put a tune into the PCM said he didn't see how he could drive it. It was really rich. I am going to list the 4 tanks here soon.

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