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I think I've fallen in love! :bounce::bounce2:
And some information I found on "another" forum :shaking:Jeep TJ & JK owners with the 42RLE, 4 speed overdrive automatic listen up! Do you dream of having multiple 4wd low ranges just like the latest and greatest after market transfer cases without having to sacrifice your bank account or prep your Jeep for some major retro-fit surgery?
Advance Adapters is proud to release the Rubi-Crawler. This new reduction unit replaces the stock 42RLE tailhousing with a 6 pinion planetary assembly featuring a 2.72:1 low range. This is a true bolt-in doubler that couples to the stock Jeep transfer case or an existing Atlas 2 speed.
.....It replaces the factory tail housing with a doubler allowing you to use a factory t-case. so technically if you run the Rubicon setup with its 4.0/1 the doubler would make it into a 4 speed (without driveline mods). You would have 2.72 / 4.0 / 10.88 to 1 and also a high range of 1 to 1......
5.13 Gears are still going to happen first, but this is going to be a very close second! :grinpimp:... check out the numbers...
JK X model w/ 3.73 and Auto - stock crawl ratio is 28.8:1
Add a doubler and that goes to 78.336!
JK Rubicon w/ Auto - stock crawl ratio is 46.6
Add a doubler and that goes to 126.752!