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Thread: 4L60E to 4L80E conversion in a GMT900

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  1. #1
    Join Date
    May 2008
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    Schertz, Tx
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    Quote Originally Posted by KHester84 View Post
    Have you gotten the 4wd to work yet? I'm thinking about going FI and want to swap to a 4L80e with existing 4wd before I start slapping a turbo on the truck. PM me your cost so far on the parts/labor if you don't mind. What did you do about drive shafts?

    Thanks
    They are still working on the pinouts. I'll post up when everything is working.

    07 Z71 4x4, 6.0L, 3.73s, Turbonetics T76 @ 10 psi, 75 shot, Snow meth kit, PLX DM-100 wideband gauge, Nelson tune, Comp 212/216 .557/.561 114 lsa, 60# injectors, Yank 3000, 4L80E , Magnaflow - dumped, e-cutout
    Line-X, Pace Edwards Full Metal Jackrabbit bedcover

  2. #2
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    Quote Originally Posted by rutroe View Post
    They are still working on the pinouts. I'll post up when everything is working.

    Please do. I am extremely interested.

    1969 Chevy RCLB C10 350/TH400 SOLD
    2007 Chevy RCSB 4.8 4x4 LS SOLD
    2008 Chevy RCSB 5.3 4x4 LT SOLD
    2010 Chevy CCSB 6.2 4x4 LT SOLD
    2005 GMC CCLB DRW 6.6 Duramax 4x4 191,000 and counting
    2013 FORD CCSB F350 6.7 Powerstroke 4x4


  3. #3
    Join Date
    Oct 2008
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    Quote Originally Posted by rutroe View Post
    They are still working on the pinouts. I'll post up when everything is working.
    Well...no post in a while so I guess your truck is still 2wd? lol

  4. #4
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    May 2008
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    Allen has been busy and my schedule hasn't allowed time to go by up til now. I'm stopping by on Friday so they can work on it. But yes, still 2x for now. I'll post an update this weekend.

    07 Z71 4x4, 6.0L, 3.73s, Turbonetics T76 @ 10 psi, 75 shot, Snow meth kit, PLX DM-100 wideband gauge, Nelson tune, Comp 212/216 .557/.561 114 lsa, 60# injectors, Yank 3000, 4L80E , Magnaflow - dumped, e-cutout
    Line-X, Pace Edwards Full Metal Jackrabbit bedcover

  5. #5
    Join Date
    May 2008
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    OK, new update...the 07 NNBS 4x4 architecture doesn't talk to the new transfer case so we will have to move to plan B...AWD conversion. I'm gonna charge Allen for the Goof Off I need to remove the Z71 4X4 stickers off the back end...

    07 Z71 4x4, 6.0L, 3.73s, Turbonetics T76 @ 10 psi, 75 shot, Snow meth kit, PLX DM-100 wideband gauge, Nelson tune, Comp 212/216 .557/.561 114 lsa, 60# injectors, Yank 3000, 4L80E , Magnaflow - dumped, e-cutout
    Line-X, Pace Edwards Full Metal Jackrabbit bedcover

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