Recent content by White Shadow 99

  1. White Shadow 99

    4.0, 42RLE, NP241OR High Speed Vibrations After Re-Gear to 4.88 or Deeper

    Pzilly good input. If all the LJ/42rle owners want to call out their build (precisely) and what they have tried I am willing to build a spread sheet to try to point out similarity’s. The recent conversation has been about harmonics, although we have multiple transfer case skid plates included...
  2. White Shadow 99

    4.0, 42RLE, NP241OR High Speed Vibrations After Re-Gear to 4.88 or Deeper

    Here is an observation of other LJs with automatic transmissions that I test drove recently that do NOT have the drone above 62 mph. Both of them had spacers between the frame and the skid plate. One LJ had a bent stock skid plate and the other was a Clayton long arm skid plate with 4.88s...
  3. White Shadow 99

    4.0, 42RLE, NP241OR High Speed Vibrations After Re-Gear to 4.88 or Deeper

    My concern is more the vibration slowly damaging bearings, splines and seals not so much the annoying drone. Blaine, Dave or those that are mechanically knowledgibe and experiencesd with this specific issue, do you believe this harmonic issue can cause mechanical wear with known balanced...
  4. White Shadow 99

    4.0, 42RLE, NP241OR High Speed Vibrations After Re-Gear to 4.88 or Deeper

    FYI I just helped my buddy buy a local LJ w/42rle. I test drove 3, 2 of the 3 did not have our issue all auto....still a mystery... My build 4” currie, 1.25” BL, UCF alum. Tummy tuck w/alum engine skid, 5.13 gears, ARBs, new stock transfer case mount, everything new with SYE and both CV...
  5. White Shadow 99

    4.0, 42RLE, NP241OR High Speed Vibrations After Re-Gear to 4.88 or Deeper

    Did you stick with 4.5 on 5 or go to 5 on 5? I believe your front hubs and u joints are now weaker if you did not upsize to the 5 on 5. Congrats though, I still have the drown on my LJ
  6. White Shadow 99

    4.0, 42RLE, NP241OR High Speed Vibrations After Re-Gear to 4.88 or Deeper

    Hey Chris, maybe you can get Blaine to chime in here since he is a expert and has solved and seen many of these issues and built many, many, many jeeps.
  7. White Shadow 99

    4.0, 42RLE, NP241OR High Speed Vibrations After Re-Gear to 4.88 or Deeper

    Yes Chris that would be nice. I thought about going to HP Dana 30....but hard to find one in a yard that is not bent. Bob, IMHO and going with and I agree with your theory, the TT would help F transfer case yoke angle(and/or removable of MML) but raise DS angle due to increased height relative to...
  8. White Shadow 99

    4.0, 42RLE, NP241OR High Speed Vibrations After Re-Gear to 4.88 or Deeper

    Bob, thank you for the explanation on the TT. That makes since. I forgot the motor mount is fixed and the rear rotates up with a TT. I should have thought about it more before I posted. None the less at least the rest of you have my set up as an example. Also my set up only has harmonic and not...
  9. White Shadow 99

    4.0, 42RLE, NP241OR High Speed Vibrations After Re-Gear to 4.88 or Deeper

    I have heard of that bearing as well....somewhere buried in a forum..... Also to clarify, I don't have steering wheel vibration...mainly the harmonic drone
  10. White Shadow 99

    4.0, 42RLE, NP241OR High Speed Vibrations After Re-Gear to 4.88 or Deeper

    I have a 06 LJ 42RLE and got harmonic vibs after regear. It starts at about 62 and is the worst at 67ish. I have 5.13 Revolution Gears, 4" Currie SA, 1"MML, 1"BL, Tummy Tuck on 35s. I have NEW CV drivelines front and rear.I have had them both rebalanced...it is not the wheels and tires. If I...
  11. White Shadow 99

    Re-geared, now I have a vibration above 50 mph

    Bob let me know when you are in Sac, I can join you and swap stories.
  12. White Shadow 99

    Re-geared, now I have a vibration above 50 mph

    For reference, my brand of gears are Revolution. Based on my research, they had the best tolerances and manufacturer is higher quality then average.
  13. White Shadow 99

    California NorCal Jeep adventures!

    Just did Tahoe side Rubicon