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E85 - Fuel lines - Pumps - Boost

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    #1

    E85 - Fuel lines - Pumps - Boost

    Not sure how many have ran e85/boost on turbo m20's. Here is my train of thought, lets sort it out. Additional info: expecting 450hp +/- 50hp at wheels. Siemens 80lbs injectors.

    FUEL PUMPS

    Option #1
    1. Fuel source 17 gallon RCI fuel cell
    2. Wally 255 to feed surge tank
    3. Wally 450 intank pump in surge tank to feed the rail


    Option #2
    1. Fuel source 17 gallon RCI fuel cell
    2. RCI in tank fuel pickups (2-4)
    3. Ran to parallel Bosch 044 pumps to the rail


    Fuel Line

    Option #1
    1. Stock lines with soft lines connection to pumps and rails


    Option #2
    1. Use stock feed line as "new return"
    2. make 6AN line for the "new feed"
    3. (Thoughts for this are due to 30-40% additional fuel needed)


    What do you guys think?
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    Rebellion Forge Custom Fabrication

    1988 325is - TrackRat in progress

    Instagram @rebellionforge
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    #2
    Remember, the new lines can't be rubber due to the ethanol. I'll be replacing all my stock hard lines with 3/8" stainless and my soft lines are -8 AN (PTFE).

    If you can, look at the Fuelab pumps, about as much as dual 044's for a single that flows over 500 GPH.
    My 2.9L Build!

    Originally posted by Ernest Hemingway
    There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games.

    Comment

      #3
      Deff do not run stock rubber lines with E85.
      Most track guys run a surge tank feeding twin 044's or a large single pump.

      80lbs injectors will be close to 100% duty cycle with E85 & 500hp.
      I would suggest 1000lbs injectors.

      Fuel cell foam must be E85 compatible, or remove it if it's legal at your track.
      Need a Turbo manifold? We have them in stock- Click here---> http://rapidspoolindustries.com/
      ____________________________
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      Dyno vid http://www.youtube.com/watch?v=C7aM7..._order&list=UL

      Comment

        #4
        Originally posted by PiercedE30 View Post
        Remember, the new lines can't be rubber due to the ethanol. I'll be replacing all my stock hard lines with 3/8" stainless and my soft lines are -8 AN (PTFE).

        If you can, look at the Fuelab pumps, about as much as dual 044's for a single that flows over 500 GPH.
        yeah I'm aware I can't use standard rubber fuel line, should have clarified that in my OP.

        Originally posted by Good & Tight View Post
        Deff do not run stock rubber lines with E85.
        Most track guys run a surge tank feeding twin 044's or a large single pump.

        80lbs injectors will be close to 100% duty cycle with E85 & 500hp.
        I would suggest 1000lbs injectors.

        Fuel cell foam must be E85 compatible, or remove it if it's legal at your track.
        I am really leaning towards the surge tank setup with one large HP pump and a 255 feeding the surge tank. I just feel like going through all the work of setting up a system and not have the surge tank will bight me in the ass. I'll have to look at the injectors again, I ran some calcs and I didn't think it was that high.
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        Rebellion Forge Custom Fabrication

        1988 325is - TrackRat in progress

        Instagram @rebellionforge

        Comment

          #5
          Originally posted by IronFreak View Post
          I'll have to look at the injectors again, I ran some calcs and I didn't think it was that high.
          Better to have some head room, I was running 850# and overheated them during a pull, once cooled down they started working again. Switched to 1000# to be safe.

          Check this calculator ---> https://www.injectorrx.com/injector-size-calculator/
          Need a Turbo manifold? We have them in stock- Click here---> http://rapidspoolindustries.com/
          ____________________________
          E-mail Panayiotisx2@gmail.com
          Dyno vid http://www.youtube.com/watch?v=C7aM7..._order&list=UL

          Comment

            #6
            Originally posted by Good & Tight View Post
            Better to have some head room, I was running 850# and overheated them during a pull, once cooled down they started working again. Switched to 1000# to be safe.

            Check this calculator ---> https://www.injectorrx.com/injector-size-calculator/
            Thanks!! Do you run ID1000? What would you recommend?
            sigpic

            Rebellion Forge Custom Fabrication

            1988 325is - TrackRat in progress

            Instagram @rebellionforge

            Comment

              #7
              I stumbled across these.

              Bosch 1000cc Injectors

              While ID1000 are probably the top dog, you can't knock Bosch and in my current situation these would fit my budget a lot better.
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              Rebellion Forge Custom Fabrication

              1988 325is - TrackRat in progress

              Instagram @rebellionforge

              Comment

                #8
                I agree, ID1000 are mucho dinero.

                I'm running similar injectors to those Bosch ones. They have great idle resolution.

                Originally posted by IronFreak View Post
                I stumbled across these.

                Bosch 1000cc Injectors

                While ID1000 are probably the top dog, you can't knock Bosch and in my current situation these would fit my budget a lot better.
                Need a Turbo manifold? We have them in stock- Click here---> http://rapidspoolindustries.com/
                ____________________________
                E-mail Panayiotisx2@gmail.com
                Dyno vid http://www.youtube.com/watch?v=C7aM7..._order&list=UL

                Comment

                  #9
                  Awesome, that's really good to hear.
                  sigpic

                  Rebellion Forge Custom Fabrication

                  1988 325is - TrackRat in progress

                  Instagram @rebellionforge

                  Comment

                    #10
                    So.....collecting fuel system parts, I'm reading that 044's are't good with e85, manufacturer says it's not compatible. Although I have read several threads of people doing it and it working fine. I was thinking about running parallel Walbro 255's instead. That seems to be what a lot of the FI domestic guys are doing with a lot of success.

                    Thoughts?
                    sigpic

                    Rebellion Forge Custom Fabrication

                    1988 325is - TrackRat in progress

                    Instagram @rebellionforge

                    Comment

                      #11
                      Originally posted by IronFreak View Post
                      So.....collecting fuel system parts, I'm reading that 044's are't good with e85, manufacturer says it's not compatible. Although I have read several threads of people doing it and it working fine. I was thinking about running parallel Walbro 255's instead. That seems to be what a lot of the FI domestic guys are doing with a lot of success.

                      Thoughts?
                      Interesting, I've been running the same 044's with E85 for 5+years now without issues.
                      Do you plan on running both pumps at all times..?
                      Need a Turbo manifold? We have them in stock- Click here---> http://rapidspoolindustries.com/
                      ____________________________
                      E-mail Panayiotisx2@gmail.com
                      Dyno vid http://www.youtube.com/watch?v=C7aM7..._order&list=UL

                      Comment

                        #12
                        That's interesting you say that because I've seen several other say the same thing. All I know is the "manufacturer" says its not compatible. As far as running at the same time maybe, I don't want to starve the motor. Maybe you can chime in, for 400hp on e85 in a turbo m20 what would you recommend for fuel supply?
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                        Rebellion Forge Custom Fabrication

                        1988 325is - TrackRat in progress

                        Instagram @rebellionforge

                        Comment

                          #13
                          What I decided to go with for the fuel pump.

                          AEM 380lph

                          Will probably just save and get the id1000 injectors as well.
                          sigpic

                          Rebellion Forge Custom Fabrication

                          1988 325is - TrackRat in progress

                          Instagram @rebellionforge

                          Comment

                            #14
                            Hey I like the choice in pump specifically because it has the same dimensions as an 044.
                            Ill be using the surge tank below, due to seeing it work incredibly well on an m30 turbo setup that pushes 500+

                            034 surgetank

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