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Thread: 94 Lifted Silverado 6.0/4L80e swap Build

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  1. #1
    Join Date
    Jun 2009
    Location
    Caledonia, MI
    Posts
    322

    Pics

    Heres some pics if anyone is looking for how I did things.

    The first pic is the green/blue wire. If you wire your coolant temp like I did, this is the signal wire to your gauge. The green wire is the old obs harness wire, the blue is part of the 3 wire (98 firebird) pigtail.

    Second pic- Coolant temp sensor with the 2 remaining wires. I had to cut nelsons 2 wire connector off (yellow and brn i think). Then you hook up the new 98 firebird wires to it. I think gray goes to yellow. and blk goes to brn. Ask me if you need help so I can 100% confirm it.

    Third Pic of the rear part of alt. I had my old OBS wire running to it for the gauge, and I have the new LS harness lead running to it as well.

    4th pic- Power junction block on firewall. I have the fuel pump running off this with some others including power from the starter lead running up to it, and my subs.

    5th pic- Just a pic of where I mounted my OBDII port. It has a really bright LED light on it, so I put it basically lined up with the 4wd shifter so its not blinding anyone when the SES light is on.

    To be continued.....(only lets you upload 5 pics at a time)
    Attached Images
    Silverado Z71 10" Lift COMPLETE 6.0/4L80E PRC 2.5 Ported LS6 Heads 228r Comp Cam 3200 CIRCLE D Stall LS7 Lifters ARP Bolts SLP Oil Pump and Double Timing Chain 160 T-Stat 3" SLP Loudmouth Electric Cutout Walbro 255 Pacesetter Longtubes MSD Starter NELSON Harmess NELSON Street/Strip Tuned ECM MSD Wires LS1 Throttle Body Braided Lines Spectre CAI 4.56 Gears Detroit Locker 14 bolt http://www.ls1truck.com/forums/lsx-t...wap-build.html

  2. #2
    Join Date
    Jun 2009
    Location
    Caledonia, MI
    Posts
    322
    6th- just a pic showing you a good spot for a tach since you will need one that goes to a higher RPM with these newer LS motors. Since the obs cluster only goes to 4500 lol.

    7th pic- This is how I am holding down my ECM on the pass wheel well. I used my old drivers side battery tray by cutting off the support bracket so its just a flat tray. THen I got a 1" wide by about 10" long stainless strap from my buddies work and welded one side of the strap to the bottom of the tray, and then the otherside I drilled a hole and welded a nut to the tray. Bent up the strap to fit snug around the ecm, and then you just snug it down.

    8th- Also had to modify the dipstick because the headers were in the way. I basically just relocated the bracket by drilling the 3 spots welds, and welding it on a different location to push it a little bit forward and keep it off the header
    Attached Images
    Silverado Z71 10" Lift COMPLETE 6.0/4L80E PRC 2.5 Ported LS6 Heads 228r Comp Cam 3200 CIRCLE D Stall LS7 Lifters ARP Bolts SLP Oil Pump and Double Timing Chain 160 T-Stat 3" SLP Loudmouth Electric Cutout Walbro 255 Pacesetter Longtubes MSD Starter NELSON Harmess NELSON Street/Strip Tuned ECM MSD Wires LS1 Throttle Body Braided Lines Spectre CAI 4.56 Gears Detroit Locker 14 bolt http://www.ls1truck.com/forums/lsx-t...wap-build.html

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