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Thread: Siemen deka 80lbs or I'd 1000s

  1. #1

    Siemen deka 80lbs or I'd 1000s

    I have the deka 80s for my turbo 4.8 and want to make 650 + on e85 but keep getting told the 80s are too small and I need id 1000s someone please help

  2. #2
    Join Date
    Nov 2011
    Location
    New Brunswick, Canada
    Posts
    123
    Here is a simple calculator i found online. looks like ur 80s @58psi fuel pressure will support up to 750hp at the crank with e85. http://fuelinjectorclinic.com/flow-calculator

  3. #3
    Join Date
    Nov 2007
    Location
    Pittsburgh, PA
    Posts
    6,868
    with E85 you need as large of injector as you can possibly find, its not a cheap way of going to a race fuel when you take into account all you need to run E85

    with that being said 1000cc is best for E85 for mild HP numbers
    2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
    2002 Silverado - 427Lsx w/ Twin gt4202s
    2010 Silverado crewcab Z71 - 5.3litre w/ procharger
    2000 Wrangler - 5.3litre with some stance
    2014 Xsport- 3.5 Eco boost
    412 Motorsports

    it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference

  4. #4
    According to the calculator at 95 % duty cycle I can achieve a lil over 700 at the wheels is that bad for my fuel pump

  5. #5
    Join Date
    Nov 2011
    Location
    New Brunswick, Canada
    Posts
    123
    The fuel injector duty cycle has nothing to do with ur fuel pump. What pump did u buy for the upgrade? As a rule of thumb, 80% duty cycle is the most u want to run. To be safe, if ur planning to put 750hp to the wheels, id go with the 96lb/hr (1000cc) injectors or bigger with e85.

  6. #6
    I have a aeromotive 1000

  7. #7
    Join Date
    Nov 2007
    Location
    Pittsburgh, PA
    Posts
    6,868
    you wont have no where near enough pump with a A1000 for E85, that pump on gas is good for about 700 hp
    Quote Originally Posted by Fatnasty91 View Post
    I have a aeromotive 1000
    2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
    2002 Silverado - 427Lsx w/ Twin gt4202s
    2010 Silverado crewcab Z71 - 5.3litre w/ procharger
    2000 Wrangler - 5.3litre with some stance
    2014 Xsport- 3.5 Eco boost
    412 Motorsports

    it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference

  8. #8
    Are you serious?I was told that would be plenty

  9. #9
    Join Date
    Nov 2007
    Location
    Pittsburgh, PA
    Posts
    6,868
    A1000 doesn't support a lot...look into the magnafuel tuner series
    2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
    2002 Silverado - 427Lsx w/ Twin gt4202s
    2010 Silverado crewcab Z71 - 5.3litre w/ procharger
    2000 Wrangler - 5.3litre with some stance
    2014 Xsport- 3.5 Eco boost
    412 Motorsports

    it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference

  10. #10
    Join Date
    Dec 2014
    Posts
    1
    I have a set of Fic 127's that are to small for my setup only dyno time and about 10 miles on the street text me if you need them 713 213 0155

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