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  1. Matthew Jeschke

    6.0L Fuel pump?

    Well, I got around to lifting the fuel rail. I lifted it up off the intake and looked for leaking injectors. I didn't have any drips, however, the bottom of every single injector was damp. I wiped them off, then depressurized the system and they were damp again. I've never diagnosed injectors...
  2. Matthew Jeschke

    6.0L Fuel pump?

    They are exact same as the ones I pulled from my 5.3L. They aren't flex fuel, I believe they're the 24# injectors? I don't recall exactly what the spec is but direct replacement part. I couldn't resuse the 5.3L ones as I broke one and didn't have a test bench to figure out which one it was. I...
  3. Matthew Jeschke

    6.0L Fuel pump?

    I just ordered a fuel pressure tester; new crank position sensor (couldn't hurt mine is old). I still keep thinking maybe it's a bad injector. I found my order on ebay. They were SUPER cheap Delphi which maybe was bad / defective parts? I need to lift up the fuel rail too and see if any of them...
  4. Matthew Jeschke

    Good grease gun?

    Grease guns SUCK haha I'm with you 120%
  5. Matthew Jeschke

    Pulling off the Perfect NP246 Transfer Case Rebuild

    I FINALLY got around to soaking the new clutches and measuring them. I think my new clutch pack and steels is virtually identical height to old one... at least w/in 5 thousands worst case... However, one spot I measure on new clutch pack is thinner. another 3 thousands thinner. Not sure if that...
  6. Matthew Jeschke

    Driveshaft solved

    Very hard to believe your driveshaft lost balance unless.... The weight from factory came off or you bent it. Also the driveshafts are a dime a dozen at junkyard you can find them all over the place. If not dented and little factory weight is still welded on should be good. They are balanced...
  7. Matthew Jeschke

    Bumper swap

    You may also try cross referencing part numbers on gmpartsdirect.com
  8. Matthew Jeschke

    Dash squeak driving me insane

    Oh I see your pictures now. You're on right path.
  9. Matthew Jeschke

    Dash squeak driving me insane

    I have a 2001... May not translate... I rebuilt my dash, mostly. Have to tear it down again though similar problem but only when off-road. Dash is overwhelming, but when you break it down not too bad. Snds like your friend knows well enough to help. Basic structure / disassembly... You have a...
  10. Matthew Jeschke

    4l60E slipping/being erratic.

    Seems like old post? 4L60e is a awesome transmission... They cut corners in valve body though. Most times issue is a check ball going through the separator plate on valve body. Plastic accumulators tend to crack too. It is all stuff easily fixed from under truck, fluid pan. With those miles I...
  11. Matthew Jeschke

    Anybody want a built 4L60E

    Are you looking to build one?
  12. Matthew Jeschke

    New NBS owner from Montana

    Cool dude! Hit me up if you mod anything... Fyi I turned down leveling kit in mine, configured for a 1" drop... Drives MUCH better now. I. Not a big fan of leveling for that reason. Love how you can lift the new Tahoe at push of a button. Unfortunately, not sure how to do that on a tosion bar...
  13. Matthew Jeschke

    Spraying Rust protection underneath

    I sprayed raptor liner. It came with a spray gun. Worked awesome. Only trouble is for your application, it doesn't come with bottles. The gun takes the raptor liner bottles. Spray gun
  14. Matthew Jeschke

    6.0L Fuel pump?

    Sounds like what I got for the six cylinders, they were around 230f... Second time I measured everything was just like you got. Not sure what normal is to be honest. I noticed I had to be very consisten with where I measured. Am going to monitor for a while. Hadn't heard of putting a little two...
  15. Matthew Jeschke

    6.0L Fuel pump?

    I have one bottle of seafoam in my tank. Bought a second one for the next tank. Seems this may all be a false alarm. Not sure my laser temperature gun is all that accurate (Chinese crap). If I get the gun really close, and take temperature in same location on all cylinders then they are very...
  16. Matthew Jeschke

    6.0L Fuel pump?

    What injectors did you buy? Hopefully not Delphi?
  17. Matthew Jeschke

    6.0L Fuel pump?

    @OR VietVet I'm one step ahead of you. Dumped it in this morning :) Great minds must think alike! Thanks for the tips. Bit nervous to run it though, not sure what happens if a cylinder runs hot like that, or how hot it needs to be till it causes a problem. It will sit now for a couple weeks. I...
  18. Matthew Jeschke

    6.0L Fuel pump?

    @OR VietVet is what I'm thinking too. I thought of the metal difference, however, it's easily 25% hotter and cylinder 2 had less metal insulation (end of head) and 3 is in middle of head. I think I have two lean cylinders. Not sure what constitutes an issue with temperature variances or how lean...
  19. Matthew Jeschke

    6.0L Fuel pump?

    This post is going all over the place as I troubleshoot things. One friend said to do a I did a dead hole test by starting up truck (from cold) and spraying water on each exhaust runner (adjacent cylinder head). All cylinders were live, and water steamed off. Then I took a temperature gun and...
  20. Matthew Jeschke

    6.0L Fuel pump?

    I may have a good lead on what's happening. I read some of the reviews on the injectors I bought when I built my engine HERE is one. There's several ad postings for Delphi 24lb LS replacement injectors. Most of them say the injectors leak, and I even found one that had same issue as me with hot...
  21. Matthew Jeschke

    6.0L Fuel pump?

    Installed new cam position sensor. No effect. I don't get any code from the crank sensor... I'd be pretty sure it would throw a code? Easy enough to see a tooth was missed in the count and throw a code. The cam sensor I pulled had no visible signs issue, not that it would if it failed. Didn't...
  22. Matthew Jeschke

    Pour one out for a fallen Yukon

    Sorry to hear for the loss of your truck. Good thing she was in a truck. I have this thought running through my mind if I ever crash mine. I have 3k in truck and about 10k in custom motor, transmission, and works. My plan is if I wreck mine to pull the parts I built and through them into another...
  23. Matthew Jeschke

    6.0L Fuel pump?

    @Donal was kind enough to PM me the procedure :) Thanks! I'll save them as a preferred seller.
  24. Matthew Jeschke

    6.0L Fuel pump?

    I have the original cam sensor from the factory. I pulled it out of my 5.3L and used it in my 6.0L build when I scrapped the old motor. Thanks for letting me know about generic cam sensors. I was curious if it's worth saving a few dollars to get one, now I know. Actually, it's more about I can...
  25. Matthew Jeschke

    6.0L Fuel pump?

    Ah, gotchya, is it a HAL effect sensor? I was trying to find that info, mainly for trivia purposes. Not as familiar with reluctance which I see is another type of sensor. I used to design this stuff as an engineer :) Bit rusty now though... I'll just throw a new cam position sensor in. I cannot...

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