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Thread: 6.0 to 4.8 swap Turbo

  1. #1
    Lifetime Member
    Join Date
    Aug 2007
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    222

    Default 6.0 to 4.8 swap Turbo

    I had to downgrade to a 4.8 and was running a turbo 6.0. I have the 212/212 Isky boost cam. I am running cos3 and a 2 bar map tune. My question is,
    What is the best way to go back to a 4.8 tune.
    Thanks!
    00 GMC,LQ4, Jarrett Faggart pistons, callies rods, Ebay studs, LS9 gaskets, 317's, KBRacing KIT, PT76/75, treadstone intercooler,Eboost2, dual walbro, FIC 75lb, br7ef, Trutrac, Shaftmasters Shaft, 3.5" DP w/4" magnaflow dumped, turbo blanket, Circle D 3200, Jake's built 4l80w/brake, hydroboost, EFILive v2,Lunati dual springs,222/226 cam, cal-tracs, QA1 front shocks, Street/strip Bogarts,Drum swap, Alky-control,MSD8733 936 HP to the tire DD.

  2. #2
    Lifetime Member
    Join Date
    Aug 2007
    Posts
    222

    Default

    I took a 4.8 tune off holdencrazy.com, performed a trans seg swap off my old tune, loaded that in the truck, pulled it out and bam, now I have a 4.8/4l80e/ cos3 tune. I was already running cos3. Then I compared the pld tune off the 6.0 tune and swapped over the parameters one by one to the 4.8 tune. Did a few sessions of logging and adjusting the fuel and she runs fine.
    Thought I'd share...
    00 GMC,LQ4, Jarrett Faggart pistons, callies rods, Ebay studs, LS9 gaskets, 317's, KBRacing KIT, PT76/75, treadstone intercooler,Eboost2, dual walbro, FIC 75lb, br7ef, Trutrac, Shaftmasters Shaft, 3.5" DP w/4" magnaflow dumped, turbo blanket, Circle D 3200, Jake's built 4l80w/brake, hydroboost, EFILive v2,Lunati dual springs,222/226 cam, cal-tracs, QA1 front shocks, Street/strip Bogarts,Drum swap, Alky-control,MSD8733 936 HP to the tire DD.

  3. #3
    Joe (Moderator) joecar's Avatar
    Join Date
    Apr 2003
    Posts
    28,403

    Default

    Thanks for sharing

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