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Thread: 4.8L Project Horsepower - One step at a time

  1. #41
    Join Date
    Mar 2003
    Location
    San Antonio, TX
    Posts
    11,038
    Quote Originally Posted by SlvrSierra View Post
    Why no 93 octane tune?
    Just showing what 87oct has, not that it's a good choice.
    I'll got fill it up with 93oct and see what it does.

  2. #42
    Slimsilverado Guest
    Chevrolade Dyno that Thumper cam.....

  3. #43
    Join Date
    Nov 2007
    Location
    S.A. Texas
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    3,751
    Really good write up Allen. Makes me think i should be some where in the same area already.
    Name: Mark,
    God created turbo lag so nitrous trucks could have a chance.


    http://www.ls1truck.com/forums/my-ga...tml#post274877

  4. #44
    That is awesome Allen, nice work, It's good to see some real world numbers.

    Have you ever dynoed a 4.8 without the fan, A/C and power steering.

    I am just running an alt and tens.

  5. #45
    Join Date
    Mar 2003
    Location
    San Antonio, TX
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    11,038
    Burnout vid of the truck, all done.
    Added a 3.5" in and out, round Magnaflow, stock tail pipe.

    lsxvideo - check out ls1truck.com for the 4.8L build up

    or for hires:
    http://www.ls1truck.com/newstorage/v...ut/burnout.wmv


    (customer wanted me to get a vid of the burnout, he's out of state)

  6. #46
    Join Date
    Dec 2004
    Location
    San Antonio, TX Area
    Posts
    1,741
    Awesome.
    "ALisSa1 Silverado"
    1990 Chevrolet RCSB 2002 Chevrolet Camaro LS1/4L60E
    Scrimpin Ain't Easy
    ( . Y . )


  7. #47
    Join Date
    Apr 2008
    Location
    Okeechobee, Fl
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    2,007
    That is awesome!! Would there be any power difference if the truck had E-Fans?
    2006 extended cab, 6.0 swap, full bolt ons SOLD
    2011 ECSB, 6.2, 6 spd, 3.73, 5" lift, 33" nitto, limo tint, debadged, volant CAI, muffler delete, black bear tune 14.0 @ 98 on the 33'sSOLD
    2007 TBSS AWD, cam, stall, built trans, N2OSOLD
    2006 RCSB cammed LQ9, full exhaust, 3200 stall, 2-4 drop
    Quote Originally Posted by farmtruc View Post
    "if i have to explain, you don't get it"

    49 Ford F1
    355 chevy / turbo 350 / 12 bolt posi / camaro subframed

  8. #48
    Join Date
    Feb 2009
    Location
    Roy, Utah
    Posts
    80
    There would definatly be a gain with e-fans, and I would like to see those gains!
    99 Silverado 1500 4X4- 6.0 LQ4, LPP headers

    00 Trans Am- H/C LS6 intake, 100 shot
    11.64@121 w/1.74 60' @4400' elevation

  9. #49
    Join Date
    Mar 2003
    Location
    San Antonio, TX
    Posts
    11,038
    The truck is still setup with the clutch fan, but I'm sure ther would be an increase, not sure how much, maybe 10hp.

  10. #50
    Join Date
    Mar 2009
    Location
    Lancaster PA
    Posts
    168
    Thanks Allen, you da man! Time to spend that income tax check. HEHE

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