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  1. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    Hi Jesse, After selling my old engine and trans I am into this swap at around 5K. That being said, I had to pay someone to swap the engines out (I don't have the means to do it), bought a 2011 5.3 w/6L80 with 38K on it for $3500 (this part can be done cheaper), I paid for my harness to be...
  2. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    You were right, I had a leak on the intake plumbing, took care of it and the codes were gone!! Thanks!
  3. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    oneluckypops......where were you when I needed you...lol I didn't know anyone did wireing harnesses arouned Houston or I would have looked you up! Could you tell me the name of that pull-a-part yard, I have been looking for one of thoes for a while!! I am still pulling 2 codes for Lean System...
  4. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    Alright, here is some vid of it running https://www.youtube.com/watch?v=JxCBf5ER50k https://www.youtube.com/watch?v=dHZo8uDOKDQ https://www.youtube.com/watch?v=WONDIfhAOiI Lemme know what you think and thanks for all the help!
  5. Houston Ben

    5.3 swap-stock gauge info

    Here are the part numbers that I bought from Summit. I don't have them yet but have found some people that used them and it works! ATM-2259 ATM-2277 goes into the pass head where the allen bolt is located.
  6. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    Well, I got my PCM back from the tuner and what do you know......it started and stayed running!! I hooked up the PCM and turned the power, hit the pedal and I could hear the throttle body flap moving so I knew something was right. I turned the ignition and started right up and kept running. I...
  7. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    Hi all, Is the throttle body flap supposed to move when the ignition is in the ON position but not started? My flap seems like it wants to move when the gas peddle is pressed but barley budges, is this normal? There is also a high wine coming from somewhere on the engine when the ignition is in...
  8. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    One More thing, when I try to start it, if I pump the peddle it will rev but I have to pump it a bunch of times to try to keep it going, kinda like pumping an old school carb engine to get the gas in, any thoughts??
  9. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    Thanks for the replies!! I checked the fuel pressure and it was around 55psi, I forgot to write down what it was and will have to borrow the pressure tester again. Thanks! I am going back to the tuner to have him delete all the EVAP stuff do you think I should have him delete the "lost...
  10. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    d_raabi, THANKS!! You cleared up the P0690 ECM / PCM power relay sense circuit high code. So now I only have the following codes P0036 Heater control circuit bank 1 sensor2 P0056 Heater control circuit bank 2 sensor 2 P0443 EVAP emission system purge control valve circuit P0449 EVAP emission...
  11. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    Ok, I will run a separate wire to the harness and see how that goes, thanks for the tip!
  12. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    I got to look over my harness tonight and I can't find anything wrong. For the Grounds I have: One from the battery and the harness to the passenger head One from the rear driver head and one on the block on the drivers side with two ground wires to it I got to looking at my power...
  13. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    Thanks da-raabi, I was planning on going through all the wiring this weekend. I was just excited to use the code reader and was hoping it would cure the problem.... Guess I will have to cut the old exhaust and install the o2 sensors correctly somehow. Do I need to buy a nut or something like...
  14. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    Ok, I hooked up the code reader and got 10 codes as listed: P0036 Heater control circuit bank 1 sensor2 P0056 Heater control circuit bank 2 sensor 2 P0443 EVAP emission system purge control valve circuit P0449 EVAP emission system vent valve solenoid circuit P0452 EVAP emission system pressure...
  15. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    Ok, I hooked up the code reader and got 10 codes as listed: P0036 Heater control circuit bank 1 sensor2 P0056 Heater control circuit bank 2 sensor 2 P0443 EVAP emission system purge control valve circuit P0449 EVAP emission system vent valve solenoid circuit P0452 EVAP emission system pressure...
  16. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    I found someone who let me borrow a code reader that I will be trying out tonight!!
  17. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    Well, I didn't have time to double check all the wiring yet but I did hook up a fuel pressure gauge and I am getting around 55 psi to the rails and the intake is sucking air. It starts strong then dies....WTF!!! I will for sure be able to play with it this weekend and see if I can find out...
  18. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    Cool, thanks AJ, I will try to look at it more today.
  19. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    I received a text form the person who tuned my PCM and he stated eh did the following: Alright well to answer your questions, I disabled vats, disabled starter fault checks, changed the rev limiter to 6800, disabled flex fuel, increased power enrichment ramp in, took out power enrichment delay...
  20. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    I will double check everything tomorrow when I get a chance, then I will be out of town till Saturday. Thanks for all the ideas.
  21. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    HotRod, Yes, the trans has a separate computer located in the transmission. I am pretty sure you can access it through the computer port. Mr. Marty, looks like that is a correct statement, can I just take the top hose off the engine and poor the coolant it into the engine that way? Tanz, yes...
  22. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    Nope, keeps switching in and out of limp mode?? I thought I had it but it shat on me again and still throwing the red light indicating something is wrong. I think I need a new thermostat as it won't suck the water too good. Also, the fan won 't turn on, I let the thing run for 20 min and...
  23. Houston Ben

    5.3 swap-stock gauge info

    Sorry to sound ignorant but do you have a part number or actual name? I can't find it...
  24. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    http://s735.photobucket.com/user/BC242/media/IMG_1197.mp4.html
  25. Houston Ben

    Build thread 5.3 W/6L80e in a 1986

    OK, tinkered with it last night and got it to move. When I first started it in my garage I only put 1 gallon of gas in it, engine oil full, trans 4 qrts (yes, that was dumb). My plan was to pull it out just to get the oil moving and then fill it up with the last two quarts. Well, being on an...

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