Recent content by missouritig

  1. M

    2000 K3500

    Since then ive gotten a lot of work done on it, Im definitely keeping it! I ended up buying another truck sight unseen and it ended up working out great, except its a Ford!
  2. M

    Tow hooks with brush guard

    Lol, I now know why my tow hooks are bent on my k3500 lol
  3. M

    Strange white smoke exhaust

    Thanks again for everyones input. Im sure I will have other issues pop up but Im super happy where it is right now. This was a beat up about to be parted out truck I got at auction and now its going to have another shot at life. Here are the results For what its worth on the shifting...
  4. M

    1997 gmc yukon idle acting up

    Hey so pressure should be close to 60psi on a vortec. If it bleeds down real fast then its likely an injector assembly problem. before you start tearing into things, do some more diagnosing because youve done some major work that is prone to problems. First when you say injectors were...
  5. M

    Performance upgrades

    My opinion, just fix vacuum leaks, coolant leaks, and make sure all the sensors work. Run a fuel pressure test. Get to know what you have before dumping money into stuff like camshafts and liftkits. Its exciting to get a cool platform like that, 454 with a 4l80 behind it. Just keep it...
  6. M

    1997 gmc yukon idle acting up

    Run a fuel pressure test before you go any further. My 5.7 vortec ran absolutely terrible and never threw any codes. My fuel pressure was a little weak, but not terrible. Ended up being damaged spark plug wires. I replaced leaking mpfi spider injector, replaced spark plug wires...
  7. M

    Strange white smoke exhaust

    So decided to take the truck out the country road and give it the beans. After a few passes at 55-60mph the exhaust vapor cleared up, absolutely no white smoke now that truck is completely up to temp! Also no more popping from exhaust at full throttle. Transmission is shifting great, power...
  8. M

    Strange white smoke exhaust

    Replaced the caps plugs and rotor and wow its a complete difference power wise and idle/rev efficiency! The plug wires were very brittle, that was the main issue. Next is to replace the lower intake gasket
  9. M

    Strange white smoke exhaust

    I dont have a spark tester, the shop manual mentioned an OHM test that might suffice Yes the wires are correct to the cylinder and HEI plugs. I removed the 1 3 5 7 plugs prior to the update and found some were wet with what looked like engine oil. When I rear the factory manual (should...
  10. M

    Strange white smoke exhaust

    Not to beat a dead horse but still dealing with this issue and I beleive it is unburnt fuel. Today I checked the plug wires and found they were in very poor shape, going to do the "tuneup" with plug wires cap and rotor. Also going to check the condition of the ignition coil. i tested the fuel...
  11. M

    Where does this orange fuel relay wire go??

    Im going to do some fuel pump testing and see.
  12. M

    Where does this orange fuel relay wire go??

    This might be it! Maybe for dual transfer tanks or something? It still doesnt make sense to me on the wiring diagram though...wouldnt a spare wire for vehicle platform options be obvious if it was factory?
  13. M

    Where does this orange fuel relay wire go??

    So the wire im fairly sure is from the loom that comes from the fuel pump and the guide makes it seem connected to the oil switch....but the orange wire going to the ignition is throwing me off because I would expect the fuel wire to go to some sort of ECM solenoid or fuse
  14. M

    Where does this orange fuel relay wire go??

    Correction, going to oil pressure switch
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