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Thread: my 60' didnt change

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  1. #1
    Join Date
    Nov 2007
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    Pittsburgh, PA
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    3,581
    not 100% true, depending on the situation it may hurt or pick up a shit load of bottomend
    Quote Originally Posted by oleshifty View Post
    ya for sure. If anything, headers/bigger exhaust will hurt 60'. Will help 1/4, but not off the line.
    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
    Join Date
    Aug 2007
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    richard at WCCH said i can upgrade to 1 7/8" LTs with dual 3" exhaust w A H pipe or run 1 7/8" LTs with a 3.5" Y and 3.5" exhaust and itd flow very well even with stock heads. i think imma try a 3" electric cut out right at the Y so i can see what it does.
    2008 GMC CCSB 6.2/6L80e swap
    Gen IV 5.3/60e swap 1994 ecsb W/T

  3. #3
    Join Date
    May 2010
    Posts
    85
    your keeping up with your boys ccsb 5.3 with the roush on it?
    07 nnbs ecsb 5.3, full bolt on, Blown. 6.0 swap going in now, and maybe 100 shot. To be continued...

  4. #4
    Join Date
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    yep, from a 25 punch to 100. from a 40 punch he gets 1 1/2 trucks on me instantly but by 85 im at his front door coming on strong but we had to shut down bc of traffic. we're gonna try from a drig to 100 one day and see how bad it goes bc all i do is spin and he does too lol.

    i just cut down my bump stops, and im adjusting my rev limiter on 1-2 and changing shifts on the 2-3.

    his shifts to what i know are:
    1-2 6k
    2-3 6k
    3-4 6400
    4-5 6k
    5-6 6k
    with those gears he'd out run me lmao. he's on a stock converter, stock 3:42s, and 20s
    2008 GMC CCSB 6.2/6L80e swap
    Gen IV 5.3/60e swap 1994 ecsb W/T

  5. #5
    Join Date
    May 2010
    Posts
    85
    ohhhh ok. I was thinking he was full out with the tvs. I have a good friend here with practically the same truck, and a similar setup. so I was curious what the other guy was running. You have a strong truck though it seems. All in the setup.
    07 nnbs ecsb 5.3, full bolt on, Blown. 6.0 swap going in now, and maybe 100 shot. To be continued...

  6. #6
    Join Date
    Aug 2007
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    Gramercy
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    945
    nope just a Pat G spec'd cam, OBX LTs/ORy/magnaflow exhaust, LS3/7 TB, Truckshop tune, R TVS1900. he went 13.1@103 letting out. he's going back tonight and try for a 12.8-12.9 pass, so am i.

    i have a lot more in mine than he does but i think its bc i dont have a big enough converter or exhaust set up. im happy with my truck though it just cant chase down 11sec cars on the street lmao.
    2008 GMC CCSB 6.2/6L80e swap
    Gen IV 5.3/60e swap 1994 ecsb W/T

  7. #7
    Join Date
    Aug 2007
    Location
    Gramercy
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    945
    June 12th SCR outside of Baton Rouge, La

    flat footed it:
    R/T .693
    60' 1.882
    330 5.424
    1/8 8.382
    MPH 83.64
    1000 10.907
    1/4 13.061
    103.84

    1800rpm stall up
    R/T 348
    60' 1.864
    330 5.424
    1/8 8.391
    MPH 83.34
    1000 10.922
    1/4 13.078
    MPH 103.84

    i have no idea the DA' or anything like that.
    2008 GMC CCSB 6.2/6L80e swap
    Gen IV 5.3/60e swap 1994 ecsb W/T

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