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  1. Sam Harris

    2001 Yukon XL SLT 2WD Porpoising Like a Boat

    Definitely check out the jounce stops.
  2. Sam Harris

    AFM DOD Delete 2015 yukon 6.2

    I don’t have personal experience with this, but I’m sure others who have will chime in. I’ve been very happy with my parts (cam, heads, and various supporting parts) from TSP. Yes, you’ll need a new cam, and to program the ECM. So personally, I’d get a tune, and also springs, retainers, wear...
  3. Sam Harris

    Need front Wheel bearings (4WD) which ones are good?

    Timken for sure.
  4. Sam Harris

    What did you do to your NBS GMT800 Tahoe/Yukon Today?

    Not sure if you need any info on this, or if I’m too late in the process, but I bought these parts to help with the fan connections: ACDelco GM Original Equipment... https://www.amazon.com/dp/B0055AMAWQ?ref=ppx_pop_mob_ap_share Can’t seem to find the pins at the moment.. I’ll update if I can...
  5. Sam Harris

    Growing up doesn't have to suck

    Don’t you have the actual sensor in your rig..? Rather than the “calculator” typical with the GMT900? That’s annoying af that it’s not getting the correct percentage.
  6. Sam Harris

    Belt Tensioner

    Pretty sure they’re all the same. Flex or non flex. I ordered these, but IIRC, my AC Tensioner was incorrect and had to get a different part.. sorry. Not helpful. Serpentine tensioner: 12609719 AC tensioner: 12580196
  7. Sam Harris

    LM7 engine build

    :rage:
  8. Sam Harris

    EDIT: Helped me decide - went with Denali

    Yeah, seems like the new stuff all ends up suffering from terrible quality. In great part, thanks to the unobtainable EPA regulations.
  9. Sam Harris

    Differential Cover Gasket/Sealer?

    Agree 100%. I was pretty bummed, expecting they made an oil pan gasket, and finding that’s not the case.
  10. Sam Harris

    What did you do to your NBS GMT800 Tahoe/Yukon Today?

    Can’t wait to see it all done! ..and I’m sure you can’t either…
  11. Sam Harris

    Differential Cover Gasket/Sealer?

    Mine is an aftermarket. I wanted the girdle, to hopefully save the rear end from damage, since adding some power. It doesn’t have any sealing provision. On that note, driving in the rain now is a serious pucker situation. I barely get on the throttle, and those rears break loose constantly...
  12. Sam Harris

    What did you do to your NBS GMT800 Tahoe/Yukon Today?

    Looks a lot like the stuff I ordered from Amazon August of ‘21. ..and still have not installed.. o_O It’s one of those jobs I want to do, but also recognize the PITA it will be. 50ft PET Expandable Braided Cable Sleeve, Wire Loom Wire Braid Sleeving with 127 Pieces Shrink Tube for Audio Video...
  13. Sam Harris

    Differential Cover Gasket/Sealer?

    Just get the Lubelocker, they’re awesome. And on a side note, use that Permatex gear oil RTV, for the bolts, and drain.. (I still need to redo mine, as the drain plug is weeping a bit).
  14. Sam Harris

    Look Ma!, Another LED Thread!!

    So those are the correct bulbs for those listed locations. If you installed the EP29, it looks like that handles LEDs and incandescent. But I’m not sure if the green 194 bulbs you put in were incandescent, or LED? If they’re incandescent, and on the same circuit as the LEDs, there might be a low...
  15. Sam Harris

    Look Ma!, Another LED Thread!!

    If I read your post correctly, you’re using 194 bulbs, and 2357 bulbs. Those aren’t the same / compatible from what I can see. What do those locations call for? https://www.sylvania-automotive.com/bulb-finder.html Also, would be helpful to know what your vehicle is.
  16. Sam Harris

    What front diff do I have? (it was swapped from a 2004)

    There should definitely be an indication on both the front and rear, as @swathdiver detailed. Or, get the front, then rear up off the ground, and rotate a wheel and count revolutions, as he also advised.
  17. Sam Harris

    LIFTERS 08 Tahoe 5.3

    https://www.texas-speed.com/p-7379-texas-speed-performance-dod-afm-delete-kit-for-536062-engines.aspx ETA: I’m not familiar with this particular kit, as I have an NBS, but I’ve been very happy with the parts I’ve ordered from TSP. ETA-2: Yes, you will need a non-DOD cam.
  18. Sam Harris

    Stock lug nuts

    D’oh! I’m too slow.. :cool:
  19. Sam Harris

    What front diff do I have? (it was swapped from a 2004)

    But he says the diff was swapped. Just have to find the code on the actual hardware..
  20. Sam Harris

    What front diff do I have? (it was swapped from a 2004)

    My ‘03 SLT are 3.73
  21. Sam Harris

    Leak in headliner near sunvisor

    You should also be able to track this down yourself using a garden hose. Just hold it over the different locations (while dry), and see at what point the water begins leaking in.
  22. Sam Harris

    GMT900 front brake upgrade for my GMT821 ... what ELSE do I need?

    The calipers should come with the brackets. Do the parts you’re ordering have pictures of the setup?
  23. Sam Harris

    Radiator fan runs when engine is cold

    The GMT800 had efans beginning in the ‘05 model year I believe, for the Tahoe / Suburban / Yukon / Yukon XL. They were also included in the pickups, but not sure what year it started, and I believe it also would depend on the level (1500/2500/3500)
  24. Sam Harris

    Rear main Seal

    Agree 100%. Hell, I went with the full OE rear cover, with the rear main already installed, to take advantage of one less thing to go wrong with that extensive labor. Worth it..
  25. Sam Harris

    What did you do to your NBS GMT800 Tahoe/Yukon Today?

    Looks like a good job.

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