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Thread: 5.3 with 4.8 tune

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  1. #1
    Join Date
    Nov 2007
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    Pittsburgh, PA
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    more of a difference then you realize to be truthful
    Quote Originally Posted by Frenchy View Post
    Not enough of a difference to matter.
    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

  2. #2
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    +1
    Slowest in Oklahoma...

  3. #3
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    Mar 2010
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    Paris, TX
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    Quote Originally Posted by Quik View Post
    more of a difference then you realize to be truthful
    I agree it is a big difference because the Main VE, Cranking VE, Idle, and etc. tables are completely wrong. However, it is close enough for long term fuel trims to learn the fueling. Not good but no damage.
    Last edited by country_3030; 01-25-2012 at 06:10 PM.
    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

  4. #4
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    Nov 2007
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    Pittsburgh, PA
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    right off the bat the cylinder volume is different which is going to throw all fuelin calculations. THis itself is very easily overlooked even in other tunes
    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

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