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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

    Few updates cont.

    Modded electronic gas pedal ( may be up forsale due to going to DBC)
    I modded the heck out of this pedal...took me 3 times to get it right but its basically perfect now. When you are WOT it bottoms out on the carpet. In the pics, when my hand is on the pedal it means im pressing it down so you can see the clearance.

    Steam vent tube- evacuates the air bubbles in the cyl. head. Drill water pump with 11/32 then use a 1/8 pipe tap. buy a 1/8 pipe tap to 3/16 hose barb fitting off summit.
    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
    Sep 2011
    Location
    Atlanta Ga
    Posts
    692
    looking good. i want to do the same thing with my trans cooler lines because mine are trashed. do the russell fitings screw right into the case? the lines i have now arent screwed in. they are connected by some plastic clip or something.
    96 2 Door Tahoe 4wd / 5.3 Swap / CAI / Tune / Pacesetter LTs / Magnaflow / LED Dash / Novak A/C Bracket /


    http://www.ls1truck.com/forums/lsx-t...ders-pics.html

  3. #3
    Join Date
    Jun 2009
    Location
    Caledonia, MI
    Posts
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    Quote Originally Posted by myzterray View Post
    looking good. i want to do the same thing with my trans cooler lines because mine are trashed. do the russell fitings screw right into the case? the lines i have now arent screwed in. they are connected by some plastic clip or something.
    Yup I had the same plastic clip lines too...I ripped em out. This is what you need for 4l80e. The longer fitting goes in the rear. http://www.sweetperformance.com/prod...&productId=496
    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

  4. #4
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    Get yourself a laser temp gauge and measure the actual water temp, it will be way off with the 98 sensor. BTW, WTH are you getting a 98 model Camaro water temp sensor for $8? IIRC I paid about $50 more than that for mine when I tried that.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  5. #5
    Join Date
    Jun 2009
    Location
    Caledonia, MI
    Posts
    322
    Quote Originally Posted by RedHeartbeat View Post
    Get yourself a laser temp gauge and measure the actual water temp, it will be way off with the 98 sensor. BTW, WTH are you getting a 98 model Camaro water temp sensor for $8? IIRC I paid about $50 more than that for mine when I tried that.
    Lol I got it at napa and there was a small discount through my work I think it was listed at 18 or so but even for reg customers with no acc there is usially a little disc. I figured my gauge would be off bc the resistance differences bit my gauge was always off to bein with it would show 120 at 180

  6. #6
    Join Date
    Jun 2009
    Location
    Caledonia, MI
    Posts
    322
    Getting really close! Old harness is in, tried to crank it over and I have a few issues. The starter is jamming up against the fly wheel. When you turn the key, the starter gear shoots out and goes into the flywheel teeth, but its jamming and not releasing which is weird because the msd starter i bought is considered non shimable so it should work just fine. Other problems are NO BRAKE LIGHTS!?!?!?! I dont get that. My blinkers flash really fast. But my tail lights work. And when I turn on my heater blower motor, it clicks really fast and lights flicker. I love electrical. Not. Ill post updated pics soon. Also modified the dipstick tube so it can be used with my headers, and made a sweet ecm hold down tray.
    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

  7. #7
    Join Date
    Jun 2009
    Location
    Caledonia, MI
    Posts
    322

    Pic Updates

    Got a lot done tonight, most of the problems fixed. Fuel pump is hot and running, blinkers are good now and blinking normally, fan blower motor operates normally. I am pretty sure it was a big ground problem, i went through all my grounds and made sure they were clean/bare metal and it seemed to fix everything.
    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

  8. #8
    Join Date
    Jun 2009
    Location
    Caledonia, MI
    Posts
    322

    Fire in the hole

    Fired up thee ole turd last night for the first time. Started right up and runs smooth with no surging. THANKS NELSON PERFORMANCE! I let it run for probably a minute with the open headers and noticed the oil cooler lines right at the radiator were leaking, but its not coming out of the threads, its coming out of where the lines go into the connector that threads into the radiator. So I will be buying a block off plate because I hate running those cooler lines to begin with. They always seem to leak, get kinked, and are always in the way. I believe the GM part # is 12577903 for the block off plate. I also realized that my brake booster still needs to be hooked up and has no port on the back of the motor (yet) to run a hose from the intake to the booster because my LS motor was hydroboost. So I will also have to pop out that plug on the back of the intake and replace it with a nipple that I think is GM part #12559760.
    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

  9. #9
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    purple and green wires are your OBS speedo wires. Black with white is ground 99.9% of the time.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  10. #10
    Join Date
    Jun 2009
    Location
    Caledonia, MI
    Posts
    322
    Quote Originally Posted by RedHeartbeat View Post
    purple and green wires are your OBS speedo wires. Black with white is ground 99.9% of the time.
    I bet thats why my speedo doesnt work then lol. I love solving problems. Hey red while you r online i need you to help clarify things about ur reply on my earlier post about the brake switch and torque converter unlock
    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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