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Gm Low Range Transfer Case

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Because this was the 6.2L prototype JK, Motech used a GM 2.72:1 low range 241C transfer case with JB Conversions’ SYE. The current JK 241J is now used in these swaps because its input gear is interchangeable with the GM 241C T-case that works with 6L80 transmissions. The Rubicon’s 241OR has a different input gear that won’t support the 6L80. Motech can use the 241OR with the 4L60/65/70 four-speed automatics, though. You don’t need the Rubicon 241OR’s 4.0:1 low range when the transmission has the 6L80’s 4:1 First gear. Advance Adapters Atlas T-cases can also be used.

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