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1973 F-250 - Turbo BBF - It's alive!

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  • Re: 1973 F-250 - Turbo BBF - It's alive!

    Drive shaft came in today. 1350 joints, 3.5" dia. 54" c2c.

    Oh and I pressure tested the fuel system.... No leaks!!
    hauen, milner351 and 2 others like this.
    Life is short. Be a do'er and not a shoulda done'er.
    1983 Mustang GT 302/T5 http://www.bangshift.com/forum/forum...485-bbr-s-83gt
    1973 F-250 BBF Turbo Truck http://www.bangshift.com/forum/forum...uck-conversion
    1986 Ford Ranger EFI 545/C6 https://bangshift.com/forum/forum/ba...tooth-and-nail

    Comment


    • Re: 1973 F-250 - Turbo BBF - It's alive!

      Back to wiring. I backtracked a little because I felt like I should wire the MS to be turned on/off with a switch rather than with the key. The reason is, so I do not have to have the key on in order to connect the MS to the laptop. It is more convenient and also does not power up the igniter and coils. This is how it was set up in the Mustang and it worked well.
      Life is short. Be a do'er and not a shoulda done'er.
      1983 Mustang GT 302/T5 http://www.bangshift.com/forum/forum...485-bbr-s-83gt
      1973 F-250 BBF Turbo Truck http://www.bangshift.com/forum/forum...uck-conversion
      1986 Ford Ranger EFI 545/C6 https://bangshift.com/forum/forum/ba...tooth-and-nail

      Comment


      • Re: 1973 F-250 - Turbo BBF - It's alive!

        I am still plugging away at this truck. I bought a new hard drive for a newer laptop I had (Win10 instead of XP) and it took a while to get it all configured and up and running. This computer will also run my HPTuners, so now I have all my efi tuning software in one place.

        Yesterday, I calibrated the TPS, and started routing the vacuum/boost lines to the wastegate, Megasquirt, brake booster, bov and fuel pressure regulator. It didn't take long to realize that adding a vacuum manifold would be a good idea, so I ordered one for the truck and one for the Mustang.

        I also did a key-on test hoping to hear a priming pulse from the fuel pump. No dice. My hope of using the Ford efi fuse/relay box has not been very successful thus far. Oh well.
        Life is short. Be a do'er and not a shoulda done'er.
        1983 Mustang GT 302/T5 http://www.bangshift.com/forum/forum...485-bbr-s-83gt
        1973 F-250 BBF Turbo Truck http://www.bangshift.com/forum/forum...uck-conversion
        1986 Ford Ranger EFI 545/C6 https://bangshift.com/forum/forum/ba...tooth-and-nail

        Comment


        • Re: 1973 F-250 - Turbo BBF - It's alive!

          When it backfires and blows the intake tube completely off at you, it may be time to go back and double check some stuff. Haha.

          In my case, I managed get a distributorless ignition system 180 out. I'm stupid.

          Well, actually I put the plug wires back on according to a pic of the Mustang motor I had. However that pic was taken early on in that project and the wires were not on the proper coils!! I found some later pics from when it was running and verified that I currently have it wrong. haha.

          Click image for larger version

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          Life is short. Be a do'er and not a shoulda done'er.
          1983 Mustang GT 302/T5 http://www.bangshift.com/forum/forum...485-bbr-s-83gt
          1973 F-250 BBF Turbo Truck http://www.bangshift.com/forum/forum...uck-conversion
          1986 Ford Ranger EFI 545/C6 https://bangshift.com/forum/forum/ba...tooth-and-nail

          Comment


          • Re: 1973 F-250 - Turbo BBF - It's alive!

            I feex.

            Life is short. Be a do'er and not a shoulda done'er.
            1983 Mustang GT 302/T5 http://www.bangshift.com/forum/forum...485-bbr-s-83gt
            1973 F-250 BBF Turbo Truck http://www.bangshift.com/forum/forum...uck-conversion
            1986 Ford Ranger EFI 545/C6 https://bangshift.com/forum/forum/ba...tooth-and-nail

            Comment


            • Re: 1973 F-250 - Turbo BBF - It's alive!

              Man I love this thing!!! Can't believe the transformation!
              Hard to believe at one time you were concerned with a broken valve spring in the 460...? OR you were hauling lawn mowers in it...?
              I have to read stuff like this to motivate me to get off my ass and go DO SOMETHING!!!!

              Comment


              • Re: 1973 F-250 - Turbo BBF - It's alive!

                Man I love this thing!!! Can't believe the transformation!
                Hard to believe at one time you were concerned with a broken valve spring in the 460...? OR you were hauling lawn mowers in it...?
                I have to read stuff like this to motivate me to get off my ass and go DO SOMETHING!!!!
                Haha thanks!

                It has been a fun project even if the intended use target has moved so many times!
                Life is short. Be a do'er and not a shoulda done'er.
                1983 Mustang GT 302/T5 http://www.bangshift.com/forum/forum...485-bbr-s-83gt
                1973 F-250 BBF Turbo Truck http://www.bangshift.com/forum/forum...uck-conversion
                1986 Ford Ranger EFI 545/C6 https://bangshift.com/forum/forum/ba...tooth-and-nail

                Comment


                • Re: 1973 F-250 - Turbo BBF - It's alive!

                  At lunch, I bumped afterstart enrichment way up to 100% and set it for 60 seconds.

                  Started up and predictably idled for 60 seconds then died.

                  I am liking this much better than the Ranger MS project. It was crazy rich and as a MS noob it took me forever to get it leaned out.

                  milner351 likes this.
                  Life is short. Be a do'er and not a shoulda done'er.
                  1983 Mustang GT 302/T5 http://www.bangshift.com/forum/forum...485-bbr-s-83gt
                  1973 F-250 BBF Turbo Truck http://www.bangshift.com/forum/forum...uck-conversion
                  1986 Ford Ranger EFI 545/C6 https://bangshift.com/forum/forum/ba...tooth-and-nail

                  Comment


                  • Re: 1973 F-250 - Turbo BBF - It's alive!

                    I fiddled with it a little more a couple of nights ago night and did some datalogs. Still refuses to stay idling.

                    A few things I am going to do first are:
                    1. Check pickup to 36-1 wheel gap.
                    2. Add a 500 rpm row to my timing table. The Mustang idled at 1100 so the lowest row was 1000. This motor is around 800-ish. Probably not a big deal, but it needs to be corrected.
                    3. Disable using a target afr table. I do not have the wide band connected yet.

                    I really just want it to start up, run and idle at this point.

                    I still need to swap the diff center section and install the driveshaft before this thing is driveable.

                    milner351 likes this.
                    Life is short. Be a do'er and not a shoulda done'er.
                    1983 Mustang GT 302/T5 http://www.bangshift.com/forum/forum...485-bbr-s-83gt
                    1973 F-250 BBF Turbo Truck http://www.bangshift.com/forum/forum...uck-conversion
                    1986 Ford Ranger EFI 545/C6 https://bangshift.com/forum/forum/ba...tooth-and-nail

                    Comment


                    • Re: 1973 F-250 - Turbo BBF - It's alive!

                      VROOM! Happy New Year!
                      Flying south, with a flock of bird dogs.

                      Comment

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