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  1. dougbert

    Need help with 5.3 ls swap

    I am looking for that solution myself as well
  2. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    Well today, got things wrapped on the engine test stand and started cranking the starter. At this time I am uploading to youtube, the link is https://youtu.be/Qi21yqdbvCI but not uploaded yet. At first the engine would not start, then I realized the ALTERNATOR control connector was not...
  3. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    Pic of the Bluetooth ODBII device which allows my Droid phone to connect to the ECU. also received my LS6 intake a couple of weeks ago with fuel rails and MAP sensor along with injectors: 12561462 - 2001-2004 5.7L LS1, LS6 - flows 3.781 gm/sec or 30lb/hr @ 58 psi the one issue I found on it...
  4. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    put final touches on wires, etc in first pic 2nd pic is the back of the control panel. Top is a fuse panel for KEYED 12v items. Enabled via a relay just below it. Relay is switched on via the toggle switch. Below relay is the constant 12volt fuse panel. BUSSMAN fuse panels from...
  5. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    more wiring, circuit by circuit shortened both coil leads, IAC, TPS, ALT, Water Temp MAP, Knock sensor lead, CAM sensors, crank sensor, some grounds and all those are now connected to their places, with loom installed. left to do: fuel injectors, key 12volt leads a couple more grounds MAF...
  6. dougbert

    6.0L LS Swap into '87 V20 Pickup

    here is link to pics of the Dirty Dingo mount in my 1984 K1500 http://www.gmsquarebody.com/forum/showpost.php?p=294740&postcount=36 there are some other posts near that one on where the block was near my crossmember
  7. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    Here the harness is draped over the engine. Sensor or connector leads are slowly positioned from the ECU to their respective destinations. Excess wire is then just allowed to drop down. Most of the wires are free and not tangled so they are easily un-threaded and lay down just fine. Some...
  8. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    Finally removed all unneeded wires from the harness Organized what was left, put it on the test stand and connected it to the ECU. Then proceeded to lay out the various wires in the general area they will be placed
  9. dougbert

    1983 K10 6.0 swap

    sounds like a good plan
  10. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    Worked on harness this morning as well. Picked the blue connector clean of all the wires not needed on this stand harness - not even O2 sensors harness definitely needs wire by wire cleaning. Brake cleaner and a shop towel works great. As this is my second harness, things are progressing...
  11. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    First pic is the really nice reference sheets for the blue and red connectors and which wires stay and which wires go. from www.lt1swap.com second pic is after I put things away after working on the harness and was about to go home, then remembered I needed to take a pic. Removed the loom, and...
  12. dougbert

    Over heating???

    get a good inexpensive temp gauge that you can use as a "test" gauge and hook it in. That would provide information on if it is in the engine or in the gauges. also like the thermal gauge from HF idea dougbert
  13. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    Tonight I begin modifying the harness, which will remove unneeded connectors and SHORTEN almost all leads to fit nicely on the manifold dougbert
  14. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    147,000 miles on this engine got the controls all wired up now, and the oil pressure tube installed cranked the engine and eventually got 25 psi pressure just with the starter spinning, no spark plugs installed. Got the radiator fan working correctly (pulling not pushing) Also took cylinder...
  15. dougbert

    Need help with 5.3 ls swap

    I documented my 87 tank swap in my 84 GMC K1500 build in my signature below. I built my own AN based fuel lines - didn't think about finding the fuel lines for 87 OEM like mentioned above. Had to toss my dual tank switch - it cannot handle the pressure pre-87 mechanical fuel draw from engine...
  16. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    Gauge and control panel pics I have all the controls, now to make the wires to do the interconnections 1st pic: left top are starter switch, and then ignition switch, bottom fan switch 2nd pic: mechanical oil pressure, fuse panel and then the ODB connector on the upper right 3rd pic shot of...
  17. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    made a "gauge and control" panel out of 16g steel, formed it to fit on top of intake and painted it black. Then: Installed mech oil gauge ignition switch starter switch fan switch space for: ODB port fuse panel old android phone to use bluetooth to communicate with the ODB dongle Installed...
  18. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    Had to go to work early this morning so I got home and worked on the engine this evening. Installed the fan onto the radiator Jake finished welding the exhaust pipes to the muffler, so I painted it with high heat paint painted the battery tray last night and this morning (early) and mounted it...
  19. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    On saturday I fab'd parts of the exhaust and today Jake did some welding and tack welded things together. Will finish a full weld job shortly The goal of the exhaust system here is to be quiet and not efficient at high RPMs since there will be no high RPMs. While the battery tray is to be...
  20. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    thank you as I made the harness. As for HPTuners, I bought the base package, the Level I at home course and the Shop package from www.thetuningschool.com I documented the purchase and my harness information in my 1984 K1500 build thread in the following post...
  21. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    lmao
  22. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    Items left to do: 1) Exhaust : got the muffler, 90 degree elbows and stick, awaiting welding 2) Harness 3) Mount fan 4) Battery tray and power hookup : Cut and awaiting welding 5) create Control panel 6) Modify the ECU image via HPTuners The Injector cleaner device has arrived, cool item. I...
  23. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    I am very glad to have the HPTuners system. The 5.3L engine I have installed in my 1984 GMC came with an ECU. It wasn't until yesterday, that I discovered that the ECU was a 4.8L configured one, whose VIN does NOT match the VIN given to me on the engine TAG when I bought the engine last year...
  24. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    Fired up HPTuners for the first time with an ECU attached. Pictured below are: the dedicated Laptop for HPTuners the HPTuner MVI device cables my ECU standalone harness and my recent SpareECU purchased (off of ebay) ECU My table top harness plugged into my DC power bar using Anderson...
  25. dougbert

    2002 - 4.8L to 5.3L or should I go to a 5.7L?

    Radiator is secured firmly, but could add a bracing arm if needed in the future. First 2 pics are a threaded radiator stud mounted to the support arm on top of 2 rubber washers. Items left to do: 1) Exhaust, muffler shows up tomorrow 2) Loop the fuel rail 3) plug vacuum holes 4) Awaiting the...

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