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Thread: 1000hp e36 fuel pump setups

  1. #26
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    Twin turbo LS E36 M3
    Yea i should have too. Not only would it have been easier to work with, it would save weight and really simplify things.
    328i Sedan Twin s366's, 6.0LS, TH400, MS3 Ultimate
    9.20 at 150 on 22psi

  2. #27
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    Tampa, FL
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    I figured this was as good of a place as any to bring this up. If you do a search on VESC you will find an open source BLDC (brushless) or brushed DC motor controller. In stock form it takes an analog input (like a pressure sensor) and outputs a current to a motor....i.e. fuel pump or fan or...50amp continuous and some ridiculous peak numbers. So if pressure sensor reads low then it can be setup to increase pressure. Ive been reading on it and its pretty amazing. It does can or i2c or straight analog. It will do velocity or position control with a little work. I believe 80 some odd amps on an intermittant duty (check duration) would allow you to dynamicly boost pressure and only use enough current (generates heat in the fuel) to push the fuel system harder or softer if you look at it from the low demand states. You can also play with field timing to boost speed or torque of the rotor (pump).

  3. #28
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    Savannah, GA
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    E36 M3 Turbo, 2015 GTI,
    I just don't understand why you big power guys don't go to a Road Race type fuel cell with the foam inserts (including the ping pong balls to limit our volume) to combat slosh and pickup issues. If we could win the 24 hours of Daytona with a 700 HP car pounding about, sucking down 22 gallons in 45 minutes, I don't know why it'd be such an issue for our cars with regard to drag pulls and the such. I understand about the pump issues, but not the fuel cell vs saddle tank stuff.
    Last edited by Quicker10u; 11-24-2017 at 04:03 PM.
    Ken

    95' Dakar M3
    (GT35) 500whp+ and no clue what I'm doing....
    Steedspeed Twin-scroll Manifold, Wiseco 8.8:1 CR, K1 Rods, Supertech Valvetrain, ARP Main Studs, o-ring block, GTR 12mm head studs, GT35R with 86mm HTA billet compressor wheel (GT3586RHTA) Twin-Scroll 1.06 AR, Schrick Cams, TRM Tuning, 6 Speed Transmission, UUC Twin Disc Clutch, HFS-6 W/M injection, Zeitronix, Coilovers, Chassis Stuffs.

  4. #29
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    Quote Originally Posted by Quicker10u View Post
    I just don't understand why you big power guys don't go to a Road Race type fuel cell with the foam inserts (including the ping pong balls to limit our volume) to combat slosh and pickup issues. If we could win the 24 hours of Daytona with a 700 HP car pounding about, sucking down 22 gallons in 45 minutes, I don't know why it'd be such an issue for our cars with regard to drag pulls and the such. I understand about the pump issues, but not the fuel cell vs saddle tank stuff.
    I love the fuel cell in my e36, 20 gallons, single pump, simplicity is key.

  5. #30
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    Quote Originally Posted by E36 HateR View Post
    I love the fuel cell in my e36, 20 gallons, single pump, simplicity is key.
    Pics?

  6. #31
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    McCoy says it's bad.
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  7. #32
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    Quote Originally Posted by rajicase View Post
    Pics?
    Ill try to take some pics today
    Quote Originally Posted by Kame36sedan View Post
    McCoy says it's bad.
    Lol after the supra dyno fiasco his opinion really means nothing to me

  8. #33
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    Quote Originally Posted by Quicker10u View Post
    I just don't understand why you big power guys don't go to a Road Race type fuel cell with the foam inserts (including the ping pong balls to limit our volume) to combat slosh and pickup issues. If we could win the 24 hours of Daytona with a 700 HP car pounding about, sucking down 22 gallons in 45 minutes, I don't know why it'd be such an issue for our cars with regard to drag pulls and the such. I understand about the pump issues, but not the fuel cell vs saddle tank stuff.
    we need the trunk space for groceries and dead hookers


    86 325es, 2.8L m50, S476sxe, ProEFI 128 ecu, e85, solid rear axle, TH400 trans, 28x10.5w slicks, zip ties, popsicle sticks, tape
    best time 9.06 @ 151.8 mph, best 60 foot 1.30

  9. #34
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  10. #35
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    1000hp e36 fuel pump setups

    Twin 450's should do 1000 without a problem. My trap speed vs weight indicates 750hp thru auto (high stall converter and awd too) at 37psi. Unofficially, have run 50psi boost only. And 42psi plus a 100shot. No fuel delivery issues at all. I do run 8 injectors and lower the base fuel pressure to 38psi to keep the head pressure as low as I can on pumps.

    Only issue is needing to carry 3/4 tank of fuel to keep pumps from sucking air on a launch. 15gal fuel cell and big mofo single magnafuel is coming next.
    Last edited by familyMAN; 11-26-2017 at 11:10 AM.
    1992 3000GT VR4. 4g63 Swap. DSM 2g Auto Trans. 10:1, E85, AEM, FP Super 99 turbo. Best ET 9.98...Best MPH 137.8

  11. #36
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    Quote Originally Posted by E36 HateR View Post
    I love the fuel cell in my e36, 20 gallons, single pump, simplicity is key.
    When did you do that?

  12. #37
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    Quote Originally Posted by familyMAN View Post
    Twin 450's should do 1000 without a problem. My trap speed vs weight indicates 750hp thru auto (high stall converter and awd too) at 37psi. Unofficially, have run 50psi boost only. And 42psi plus a 100shot. No fuel delivery issues at all. I do run 8 injectors and lower the base fuel pressure to 38psi to keep the head pressure as low as I can on pumps.

    Only issue is needing to carry 3/4 tank of fuel to keep pumps from sucking air on a launch. 15gal fuel cell and big mofo single magnafuel is coming next.
    The magnafuel 750 on my car has been flawless

    Quote Originally Posted by BadBoostedBmwM3 View Post
    When did you do that?
    Did it in the beginning of this year, rally road fuel rail, full -8an, magnafuel 750 pump.

  13. #38
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    Quote Originally Posted by someguy2800 View Post
    we need the trunk space for groceries and dead hookers
    Thanks for the clarification.
    Ken

    95' Dakar M3
    (GT35) 500whp+ and no clue what I'm doing....
    Steedspeed Twin-scroll Manifold, Wiseco 8.8:1 CR, K1 Rods, Supertech Valvetrain, ARP Main Studs, o-ring block, GTR 12mm head studs, GT35R with 86mm HTA billet compressor wheel (GT3586RHTA) Twin-Scroll 1.06 AR, Schrick Cams, TRM Tuning, 6 Speed Transmission, UUC Twin Disc Clutch, HFS-6 W/M injection, Zeitronix, Coilovers, Chassis Stuffs.

  14. #39
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  15. #40
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    1992 3000GT VR4

    1000hp e36 fuel pump setups

    Math says the magnafuel isn't enough at 13.5v and 50psi'ish when I spray. I'm going a bit silly with triple 044's when I go fuel cell and external this winter. Two on an aeromotive fuel controller and the third kicked on by AEM with Boost.
    Last edited by familyMAN; 11-29-2017 at 11:02 AM.
    1992 3000GT VR4. 4g63 Swap. DSM 2g Auto Trans. 10:1, E85, AEM, FP Super 99 turbo. Best ET 9.98...Best MPH 137.8

  16. #41
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    Twin turbo LS E36 M3
    I plan on running the magnafuel 4303 on 16v to get close to 1200whp. Pump curve looks right on the edge. May have to add a AEM380 in parallel to get me there.
    328i Sedan Twin s366's, 6.0LS, TH400, MS3 Ultimate
    9.20 at 150 on 22psi

  17. #42
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    1992 3000GT VR4
    Mechanical/hex is really what is needed nowadays with e85+ and the turbos available.
    1992 3000GT VR4. 4g63 Swap. DSM 2g Auto Trans. 10:1, E85, AEM, FP Super 99 turbo. Best ET 9.98...Best MPH 137.8

  18. #43
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    I have twin 380's that I am relocating inside my fuel cell. I'm making the pump bracket to hold 3.


    86 325es, 2.8L m50, S476sxe, ProEFI 128 ecu, e85, solid rear axle, TH400 trans, 28x10.5w slicks, zip ties, popsicle sticks, tape
    best time 9.06 @ 151.8 mph, best 60 foot 1.30

  19. #44
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    Twin turbo LS E36 M3
    The G body we are building has a belt driven mechanical pump. Thing is sick. But its not cheap after you buy a regulator big enough to handle the flow.
    328i Sedan Twin s366's, 6.0LS, TH400, MS3 Ultimate
    9.20 at 150 on 22psi

  20. #45
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    1992 3000GT VR4
    I can do a cam driven hex drive on my 4g63, but still need a priming pump if pulling from a cell in back. It all gets complicated and expensive. Lol.
    1992 3000GT VR4. 4g63 Swap. DSM 2g Auto Trans. 10:1, E85, AEM, FP Super 99 turbo. Best ET 9.98...Best MPH 137.8

  21. #46
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    86 325es
    Bigger alternator, more pumps, turn them off when they aren't needed. Cheap and simple and reliable.


    86 325es, 2.8L m50, S476sxe, ProEFI 128 ecu, e85, solid rear axle, TH400 trans, 28x10.5w slicks, zip ties, popsicle sticks, tape
    best time 9.06 @ 151.8 mph, best 60 foot 1.30

  22. #47
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    Quote Originally Posted by familyMAN View Post
    Math says the magnafuel isn't enough at 13.5v and 50psi'ish when I spray. I'm going a bit silly with triple 044's when I go fuel cell and external this winter. Two on an aeromotive fuel controller and the third kicked on by AEM with Boost.
    How about at 14.4v?

  23. #48
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    Quote Originally Posted by dburt86 View Post
    I plan on running the magnafuel 4303 on 16v to get close to 1200whp. Pump curve looks right on the edge. May have to add a AEM380 in parallel to get me there.
    Get the 4103... it will have lots of overhead...

    Used it on a TT viper on Ignite red (E98) without issue at 20+ psi making over 1400whp

  24. #49
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    Quote Originally Posted by E36 HateR View Post
    How about at 14.4v?
    Probably not. Problem with these big electric pumps are pressure. I'm in a different boat than you guys though since I have to run 40-50psi for 1000hp. Add in a 40-45psi base pressure and pressure losses and you are in bad place for these pumps. The Bosch 044's don't drop off much but you have to run several. It's worked for many guys over the years.

    I have fail safes on o2 lean out and fuel pressure with AEM, so not too concerned about a pump failing. Already had one of two walbro 450s go out and I was covered.
    1992 3000GT VR4. 4g63 Swap. DSM 2g Auto Trans. 10:1, E85, AEM, FP Super 99 turbo. Best ET 9.98...Best MPH 137.8

  25. #50
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    Twin turbo LS E36 M3



    328i Sedan Twin s366's, 6.0LS, TH400, MS3 Ultimate
    9.20 at 150 on 22psi

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