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Thread: 5.3/5.7l 72mm turbo truck dyno results

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  1. #1
    Join Date
    Mar 2013
    Location
    Edmonton, AB, Canada
    Posts
    133
    Special Thanks to the following:

    Back Alley Motorsports(Kevin, Dale, Derek, Brad, Kale, Brett)- Electrical, fabrication, installation

    Cougar Paint and Collision(Eileen, Graham, Gordon, Heather, Rod)- Paint and body work

    HP solutions(Neil Richards)-Technical advisor

    Daves Auto Ltd.(Gursimer Hansra)- Diagnostics

    lt1swap.com(Brendan)- Technical advisor

    ls1truck.com(farmtruc, capricefrk013, mickeymotormount, kewljay223)

    Additional thanks: Steve Bullerwell, Vance Bindon


    Here is the cost breakdown. I pretty much listed everything. Total is about $16,000 into the swap. These snapshots arent the greatest- if you want copies just let me know
    Attached Images
    Last edited by shmiet; 08-23-2014 at 07:14 PM.
    Back Alley Motorsports 98 GMC
    -5.3l LM7 bored to 5.7l Thompson Motorsports -72mm T4 Magnum Turbo
    -TU1 Custom Grind cam(spec speed.inc) -799 heads
    -.660" Trick Flow dual valve springs -Forged Probe Pistons 3.902" flat top

  2. #2
    Join Date
    Jan 2008
    Posts
    8,031
    Damm nice setup, what the hell happened the 2nd time?

  3. #3
    Join Date
    Mar 2013
    Location
    Edmonton, AB, Canada
    Posts
    133
    Thanks man. Hard to say, I sent the block back to Thompson and they didnt have a clue what could cause that much damage. I had my engine guy also have a look and he couldn't give me a definitive answer either. So I'm assuming a bad casting??
    Back Alley Motorsports 98 GMC
    -5.3l LM7 bored to 5.7l Thompson Motorsports -72mm T4 Magnum Turbo
    -TU1 Custom Grind cam(spec speed.inc) -799 heads
    -.660" Trick Flow dual valve springs -Forged Probe Pistons 3.902" flat top

  4. #4
    lots of hard work and its finally paying off congrats

  5. #5
    Join Date
    Dec 2009
    Location
    DIrty south AZ
    Posts
    1,020
    Nice Set up and great numbers, My set up dam close to yours made 600/656 on 13lbs, glad to see another 5.3 getting er done with the cx turbo
    Built 2 Run! 6XX HP/ 6XX TQ

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