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Thread: Turbo 5.3 E85 #s

  1. #21
    Join Date
    Mar 2010
    Location
    Paris, TX
    Posts
    511
    Nice numbers, let us know how it holds up.

    Wish we had an E85 station close.
    99' Silverado RCSB Z71: 5.7L Iron LS1, 11.2:1, Custom EPS Cam, Ported 862's,Ported TB, E-Bay Cold Air, E-Bay Long Tubes, Dynomax X-Pipe Exhaust, Electric Fans, Innovative LC-1, Self Built 4L60E, Circle D Pro Single Disc, 4:10 ValueTrac


    http://www.ls1truck.com/forums/image.php?type=sigpic&userid=7887&dateline=1270435  715

  2. #22
    I am running 80# injectors and i would think you could get around 650-675 on the low side if i had to guess and thats with a 1-1 regulator and i am pretty sure i made 668/700 on 13-14#s of boost so probly stay around 13-14#s and you would be good! I only wish i had more turbo because i made 801/828 on 19#s so i really only gained a little hp and pretty good amount of tq going from 19 to 23#s
    Last edited by jkalwei; 04-11-2011 at 08:39 PM.

  3. #23
    Join Date
    Nov 2007
    Location
    Pittsburgh, PA
    Posts
    6,868
    i was out of injector with E85 at 5500 on 11psi and 8* timing. I made 554rwhp/570rwtq with 60s at base 68 pressure
    Quote Originally Posted by Beatdown Z View Post
    What size injectors are you running, jkalwei?

    How far do you think I can go(hp and boost) with a turbo 5.3 on E85, running 60 lb injectors?
    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. #24
    Join Date
    Apr 2008
    Location
    Birmingham, AL
    Posts
    3,716
    you think its your turbo(what are you running anyways?) or the stock heads reaching a limit on what they can flow?
    01 Silverado

  5. #25
    Join Date
    Nov 2007
    Location
    Pittsburgh, PA
    Posts
    6,868
    injectors can only produce so much fuel period. E85 requires a sh1t load of fuel. On gas 60s at 58 base with a 1:1 is good for around 700 hp. I was also on a mustang dyno. My heads flow very well so does my intake and cam. I make my power NA with having a healthy setup.
    if anyone planning to make power on E85 look into the FIC 95lb high impedence injectors. At 68 base they are 118lb injectors. just recently purchased these for 600
    Quote Originally Posted by sprayedenali View Post
    you think its your turbo(what are you running anyways?) or the stock heads reaching a limit on what they can flow?
    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

  6. #26
    Join Date
    Apr 2008
    Location
    Birmingham, AL
    Posts
    3,716
    i was asking jkalwei, but ok. haha
    01 Silverado

  7. #27
    It could be the heads but i think its the turbo and i am running a mp 76mm with a .96 housing! But it doesnt really bother me i am going with a 408 and a 88mm with the 160# injectors and bigger pump!

  8. #28
    Join Date
    Mar 2003
    Location
    San Antonio, TX
    Posts
    11,117
    Just curious what kit you have. Built by u?

  9. #29
    Join Date
    Sep 2010
    Location
    Texas
    Posts
    2,121
    Congrats on the #'s.
    2013 EC Silverado aka redruM (Just a couple bolt ons.)
    2007 RC Silverado aka ?
    1998 Trans AM aka Red Dragon

    "Your pull your truck to the track on a trailer, I race you with a truck that pulled a trailer to the track."

  10. #30
    Join Date
    Mar 2003
    Location
    San Antonio, TX
    Posts
    11,117
    btw, did you take it to the track, what are the track times, or does it just see the dyno?

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