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My 02 CNG CVPI Extended Tank Install

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  • My 02 CNG CVPI Extended Tank Install

    After searching for ways to increase my travel distance for months now I finally scored a complete 3,600 lb CNG tank system out of a 2002 CNG CV. I added the larger factory dual tank system to my 02 CNG CV PI with 3,600 lbs in the area that the factory extended units are installed. I was able to obtain the Ford mechanical drawings and spec information and utilizing some miscellaneous CNG brackets I was able to recreate the additional mounting hardware that would mount to the factory locations on my existing CNG cradle assembly. I made the mounts the old fashion way, with an anvil, heat, and a hammer. It looks fantastic and has increased my range so far beyond what I expected. On the maiden voyage I hit 175 miles at my ½ tank mark! That was with a crappy fill. After hours of measuring, brain-storming, and staring at it for hours, I finally just jumped right in, disassembled the entire assembly and retrofitted the cradle. You have to have the tanks off it because it is difficult to move the cradle around with them on. Once it was test bolted in and secured I removed it and installed the tanks and lines into it. You will need assistance getting the whole unit into the trunk. The fittings under the car have to be changed to accept the new assembly. Being that it was a factory set up; I was able to utilize some of the extra elbows and fittings to make this happen. These are some hardcore fittings. They laughed at me when I went to Home depot to try and locate one of the elbows. Because of the nature of this system, DO NOT use home improvement store bought regular tubing and fittings!! NOTE; The system I installed was done to the specifications as Ford’s engineers designed it and I feel confident since these have been crash tested with these types of components in place. After the install, the system was pressurized and leak tested with a portable leak detection device. Test before you fill, after you pressurize, and after you fill. Here are some pics if anyone is interested.

    "The latest, After taking advice from someone on this forum and topping off the next morning after filling the night before the 1/2 tank mileage is 222.5 and low fuel light does not come on until 300.6 miles I have created a Vegas runner!!!
    Attached Files
    Last edited by 02cvpi; 05-09-2008, 12:41 PM.

  • #2
    Re: My 02 CNG CVPI Extended Tank Install

    So how many GGE is this total. Just wondering? I wish I could do something like this on my Honda GX. How much did you spend total?
    Thanks,
    Anthony

    Comment


    • #3
      Re: My 02 CNG CVPI Extended Tank Install

      Anthony, where are you located? I have the smaller set that was mounted under the car in front of the rear axle that will probably fit in a Honda GX trunk. I am going to measure a friend's Civic to make sure. This one for the Honda I think would give an extra 4-5 GGE. It is complete with 2 tanks, cradle assembly, valving, wiring, solenoids, sheilding, etc. it will almost be a plug and play system very much like the pictured one. I do not know what it's worth so I may Ebay it. This set up is very hard to come by. The solenoid valves shut off and on with the ignition key and shut down in case of a leak.
      I think the one I installed in my CV is 8GGE total, however it does not say. That would give me roughly 19-21 GGE total in the CV. I did all the work myself. I am kind of an engineering gear head and have delt with other high pressure systems in the past. I studied the system long before installing it.

      Martin
      Last edited by 02cvpi; 04-23-2008, 04:35 PM.

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      • #4
        Re: My 02 CNG CVPI Extended Tank Install

        Nice! Good to see someone out there actually doing something rather than just saying "Gee, it sure would be nice..."

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        • #5
          Re: My 02 CNG CVPI Extended Tank Install

          I would love to get a set of the Ford documentation to reference.
          I have a 1999 CNG CVPI P71. I would imagine they are similar, if not near identical.
          Thanks

          Comment


          • #6
            Re: My 02 CNG CVPI Extended Tank Install

            I noticed you are in Huntington Beach. I work in Irvine. Maybe you could stop by my office one day. I am near the Costco off of Technology. I would be happy to make some copies and show you what I have done.
            Last edited by 02cvpi; 04-28-2008, 05:18 PM.

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            • #7
              Re: My 02 CNG CVPI Extended Tank Install

              "Latest update" Second fill up the 1/2 mark was at 184 miles and the low fuel light came on at 264 miles . I posted more pictures of the install.
              Last edited by 02cvpi; 05-02-2008, 04:33 PM.

              Comment


              • #8
                Re: My 02 CNG CVPI Extended Tank Install

                Where did you score the setup? I have looked around for a donor car for a year but no luck. I'd like to get the plans too. Maybe I'll just have to make a trip south - what kind of Starbucks do you like?

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                • #9
                  Re: My 02 CNG CVPI Extended Tank Install

                  I have a contact that builds police and taxi vehicles for the movies and they could not use this one so they parted it out. Come on down I would love to show you the set up. [U] "The latest, After taking advice from someone on this forum and topping off the next morning after filling the night before the 1/2 tank mileage is 222.5 and low fuel light does not come on until 300.6 miles
                  I have created a Vegas runner!!!
                  Last edited by 02cvpi; 05-09-2008, 12:42 PM.

                  Comment


                  • #10
                    Re: My 02 CNG CVPI Extended Tank Install

                    Hi, If you still have the tank set up you think might fit a Civic GX, I live right around the corner in Anaheim Hills and would be interested in buying it off you.
                    Adrian
                    (714) 493-6484
                    Adrian

                    Navy 2008 Civic GX (wife's)
                    Silver 2012 Toyota Prius
                    Grey 2012 Civic Natural Gas (mine)

                    Comment


                    • #11
                      Re: My 02 CNG CVPI Extended Tank Install

                      02cvpi, Where did you get that spare? Did you change out the springs for beefier ones? If so, did you get them from the donor too?

                      Comment


                      • #12
                        Re: My 02 CNG CVPI Extended Tank Install

                        The spare tanks or the tire, lol? The tanks I purchased from my contact that builds police and taxi vehicles for the movies out of retired units. They could not use this CNG unit so they parted it out and I bought the CNG tanks system. As for the rear springs, CNG vehicles have heavy duty rear springs to accomodate the weight of the tanks. I also replaced the rear shocks with brand new oem Motorcraft PI ones just to be on the safe side. I searched for a year to find this set up. The spare tire came with the car, lol
                        Last edited by 02cvpi; 05-09-2008, 10:57 PM.

                        Comment


                        • #13
                          Re: My 02 CNG CVPI Extended Tank Install

                          Originally posted by 02cvpi View Post
                          Anthony, where are you located? I have the smaller set that was mounted under the car in front of the rear axle that will probably fit in a Honda GX trunk. I am going to measure a friend's Civic to make sure. This one for the Honda I think would give an extra 4-5 GGE. It is complete with 2 tanks, cradle assembly, valving, wiring, solenoids, sheilding, etc. it will almost be a plug and play system very much like the pictured one. I do not know what it's worth so I may Ebay it. This set up is very hard to come by. The solenoid valves shut off and on with the ignition key and shut down in case of a leak.
                          Martin
                          I live in Sunnyvale. Did you sell it on ebay?

                          Comment


                          • #14
                            Re: My 02 CNG CVPI Extended Tank Install

                            I wonder if your movie car guy has a 3600 filler from a Crown Vic? Can you check or e-mail me his info? Thanks

                            It is funny he parted out his CNG car but my 99 CVPI CNG was a movie car after it came out of service as a Ca State Univ Police car. It was in "The Kingdom" (Jamie Fox). It was one of about 10-12 Crown Vics and the only CNG (I don't think he knew it was CNG when they bought it at the auction.)

                            Comment


                            • #15
                              Re: My 02 CNG CVPI Extended Tank Install

                              I am just glad they did part it out

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