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Thread: upgrade from 2000 o.s to 2002.os

  1. #1
    Lifetime Member smslyguy's Avatar
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    Default upgrade from 2000 o.s to 2002.os

    how do you upgrade from a stock 2000 gmc to a 2001 or 2002 o.s? This is a stock truck i was just wanting to get more tuning options from the 2002 o.s, but don't know how or where to find them.
    2001 camaro z28 ss vert with factory slp upgrades, Hooker long tubes, 3"y-pipe to a 4" muffler, ,airlid,s.s.r.a. ,t.c.bypass,descreened m.a.f. 232/234 .595,.598 +2 comp cam with ported and polished stock heads with .650 lift dual springs and a bowl grind. tuned with EFI Live. All combined to achieve 29 m.p.g. and 399 r.w.h.p. with 384 lbs of torque. sold...

    Now own a 2015 1LE camaro

  2. #2
    Lifetime Member mr.prick's Avatar
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    512k RoadRunner Firmware 12.14R
    FlashScan V2 Bootblock V2.07.04 Firmware V2.07.22 EFILive V7.5.7 (Build 191) V8.2.1 (Build 181)
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  3. #3
    Lifetime Member tokymon's Avatar
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    go to holden crazy and download a stock program from a 2002 that is the same as you'res (ei. 02 gmc 5.3l/4l60/4x4) and flash the os in as full flash not just the calibration.
    97 2500 ecsb 5.7l/4l80e/4x4 411 pcm /thorley tri-y's/dual super 40's with x (catless)/aem cai/msd 6a and coil/zz4 cam/beehive spring/lm-1

    stock sucks

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