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Thread: E85 fuel pump and ID1000 injectors

  1. #1
    Join Date
    Jun 2001
    Location
    hell
    Posts
    1,568
    My Cars
    turbo e36 m3/ stock s50/e30 m3

    E85 fuel pump and ID1000 injectors

    Hello, I'm about to receive my ms3pro sometime next week.. and I have some questions.

    1) What supporting member here can give me a good deal on ID1000 and fuel pump to run e85?

    Back in the day I bought an AA stage2 turbo system then I upgraded to the stage 2.5 which according to AA I needed to to upgrade my fuel lines which I bought from them. It was a slightly larger aluminum tubing plus other parts that were rubber hoses.

    2) Can I used the aluminum section of the fuel lines and just upgrade the rubber sections with whatever hose is e85 compatible, or replace all fuels and with what size?

    This will be installed on my e36 m3..


    96 M3, GT4094R, Arrow Rods, CP Pistons, Elring HG, cutring 87mm, 10 mm ARP studs,MS3pro, EMC Intercooler, n54 6 speed with Motiv twin disk, ZT-2 wideband, Zionsville Radiator, X-brace, H&R springs with bilstien shocks, QTP electronic cutout, Line Locks, stock exhaust 455rwtq, 453rwhp at 14 psi 91 octane.......684rwtq, 681rwhp at 24 psi running flex fuel E60 at time of dyno tune.

  2. #2
    Join Date
    Sep 2005
    Location
    Texas Hill Country
    Posts
    2,085
    My Cars
    '98 Turbo M3, '17 M3

  3. #3
    Join Date
    Jun 2018
    Location
    Florida
    Posts
    24
    My Cars
    240sx
    I only use steel hard line for long runs. I know it can be difficult to add hardline so, another possibility is: Some cars already have a Steel feed and return, and some also have a 3rd larger line for the emission canister (charcoal canister or evap/purge). These lines may be 5/16 or 3/8".

    Because there are three, if you tied the two 5/16" lines into an aeromotive regulator it would have (pie*radius^2+pie*radius^2) or (£(5/32)^2+£(5/32)^2)" = .15339sqin

    Where as
    10AN
    £(10/32)^2 = .3067sqin

    8AN
    £(8/32)^2 = .1963sqin

    6AN
    &c = .110

    7AN
    &c = .150


    If you had a 3/8" and a 5/16" it would be:
    £(3/16)^2 + £(5/32)^2 = .187sqin



    a -7AN+ line is already there, steel, plumbed for you to a regulator in the engine bay, hose clamps and braided hoses for short runs, its cheap and track legal.

    Fuel calculator says 1000cc + 6cyl around 50psi base is 750bhp

    http://www.yellowbullet.com/forum/sh...d.php?t=225229
    search reveals -8AN supports 700+rwhp which would be 820-850bhp already and more
    The mechanical pump I use has a -8 in and out. It feeds my engine at 40lbs boost with 100lbs fuel pressure.........
    https://ls1tech.com/forums/fueling-i...e-support.html
    "in Theory" a -8 line will flow 337 gph, now this is a dead straight line 100ft long without fittings, connectors, etc. Now, in the "real world" I've got customers that have supported up to 1700 hp (single turbo SB Fords) with a -8 line from the fuel pump up to the fuel rails. It all depends on how efficient your fuel system is as to how much fuel it will actually flow.
    http://www.460ford.com/forum/42-gene...0-support.html
    It all depends on the pressure.
    An 8AN line would flow a hell of a lot of gas at 16 PSI. A lot more than 600 HP worth, that's for sure.

    Now, at 2 psi, maybe not so much.

    Greg




    with respect to 3/8" line (6AN):
    The key to sufficient fuel supply is pumping power. As another example let’s look at a flow of 1 gallon per minute at a required fuel rail pressure of 70 psig. That is enough fuel to support 720 HP. The pressure drop thru a 3/8”id line at 60 GPH is less than 1 psig! Switching to a ½” id line would result in a pressure of about 1/10 of the 3/8” line. However, given sufficient pumping power, a one (1) pound drop versus a tenth (1/10) pound drop is insignificant. At 500 HP the pressure drop is even less.
    http://ipgparts.com/blog/fuel-line-s...ize-do-i-need/
    Last edited by Kingtal0n; 07-14-2018 at 10:50 AM.

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