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  1. Mudsport96

    3.42 with 35s?

    Another thing to consider... where are you located? I think this i your first post and no location data. If you live in flatter areas you could get away with 4.10s etc. But if you live in the foothills or mountains you may need even deeper gears than we would usually suggest.
  2. Mudsport96

    3.42 with 35s?

    4.56s. You will only pick up an extra 300 rpm at 65. The mpg loss at that point is more likely from rolling resistance/weight of the 35s and the aerodynamic drag of the extra height required to clear the 35s.
  3. Mudsport96

    I need my 01 Yukon xL 5.3 louder but not ear piercing

    This guy did it backwards... long tubes and Y pipe into stock muffler and tailpipe
  4. Mudsport96

    07+ Brake upgrade on a 00-06 NBS, is it worth it?

    If you dont have traction control you could hit up a junkyard and grab a hyroboost master cylinder from a 3500 and see if the bolt patterens are the same or close. Then get a new one using the junkyard one for a core. The 3500 has a 37mm piston vs the tahoe 34mm. The boosters have a different...
  5. Mudsport96

    When is enough to let go?

    You know a Caddy 500 fits in one with a little finesse right?
  6. Mudsport96

    When is enough to let go?

    That is where the dealership got it from ironically. Paid 4100 for it at an auction in Elizabethtown PA in January. Now they want basically 7k
  7. Mudsport96

    When is enough to let go?

    I just priced a comparatively similar new tahoe to replace mine... yeah it was 2/3s the price of my house. Not happening. Anything within 10 years of today is ridiculous in price as well. So no replacement anytime soon... Also the local chevy dealer has this on the lot for 6,999. .
  8. Mudsport96

    Retrofit selectable 4x4 on fulltime 4x4

    You could get a manual 241 transfer case and get around all of the electronic crap. But you will most likely need to get different driveshafts. But i do not kjow for sure
  9. Mudsport96

    Hydraulic'd engine - bent valve or bent conn rod?

    Eh, hit the junkyard and grab one rod and piston combo and throw her back together. Did that with a 4.8 years ago because a guy i know drove through deep water and did basically the same thing. Truck ran for another 50k miles before he traded it in for a 2500 hd.
  10. Mudsport96

    Used engine flush, now rear main seal leaking.

    I think some of his post was lost in translation from his native tongue to English, so there is part of what you were seeing. Im going to assume that the (axle) in question was the term for (shaft) input or output... possibly (crank) as there was also mention of engine. I deal with translated...
  11. Mudsport96

    Used engine flush, now rear main seal leaking.

    That is an old demo car trick for getting transmission seals to hold up one last time
  12. Mudsport96

    Specific question regarding oil

    Valvoline and ac delco filters from about 11,000 miles to 120k After that it was 5w30 oriellys house sauce and ac delco or microguard till 395k Now it gets 10w30 in the winter and 10w40 in the summer at 410k Subtract this from 410,002 and that is when the father in law bought it. Any decent...
  13. Mudsport96

    05 Z71/ECM Question/ My dream will live again!

    Im about 80 percent sure the ecm split is 03-05 and then 06 (SUV) and 06-07 Classic trucks is how it goes. Because GM changed the way the TAC module works. But there may also be a BCM/ECM issue where the Fuel gauge reads backwards. Again I don't remember the year split. But, seeing as it would...
  14. Mudsport96

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

    Nothing special, put the old 4114 bulbs back in the DRLs since one of the LEDs died. Apparently the Driver side drl/turn signal housing has a leak. Had a half inch of water in it that wasnt in there 2 days ago. We did have a few storms the last few days but damn. Well.... guess it is time for...
  15. Mudsport96

    Strange Valance

    Probably one for a conversion company like the old coach chevy vans in the 90s.
  16. Mudsport96

    2005 Yukon/6hi mod issues

    X2 put your wiring back to stock and get the fleece piece. I have one in each vehicle and one in the father in laws truck.
  17. Mudsport96

    4L60E Question

    Yeah, sometimes certain operating systems have different tables. No real rhyme or reason.
  18. Mudsport96

    4L60E Question

    I believe he was refering to Torque Management cutting power between shifts. My 06 Silverado with a brand new 65e has laggy 1-2 shifts at anything under half throttle. Ive looked at the shift times completion table and out of tow/haul mode it is factory set for .6 seconds under half throttle. So...
  19. Mudsport96

    Moar POWER!!!

    Well with the number one problem being a random, and as far as i can research " mostly unexplained " crank and no start... i would pass. I would do an 8.1 though. But in the Tahoe, even a 6.0 is more than i need.
  20. Mudsport96

    LM7 engine build

    285/70r16 31.7 inches 285/75r16 32.8 inches 285/70r17. 32.7 inches 285/75r18 33.8 inches Since you said close to 31s im guessing you have the285/70s on 16 inch wheels. If that is the case i would probably think about 4.11s as at 70 you would still have a reasonable rpm of 2150ish If you...
  21. Mudsport96

    LM7 engine build

    Hiw much highway do you do, and what size tires do you have?
  22. Mudsport96

    LM7 engine build

    Toss some 4.56s in the diffs and she will boogey.
  23. Mudsport96

    Reduced Engine Power write-up

    As a industrial maintenance/electrical worker i can tell you that automotive wiring is done so cheaply it is frightening. And i was a GM tech when this platform was new (August 04- may 06), and at the time we had big problems was ith the H2s and H3s. Yeah, they say HUMMER but they are glorified...
  24. Mudsport96

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

    Not the Tahoe but the 06 Silverado, did the main brake line that runs from the ABS unit to the rear axle yesterday. Daughter called me and says " my brake pedal doesn't work and i can't slow down right.." So i walk her through down shifting and using a combination of brake pedal and parking...
  25. Mudsport96

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

    Just getting broken in at 200k. Keep the oil changed and you have at least 200k left.
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