Are they the same??
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Dang, cant catch a break!! I had seen a gear reduction unit for the 42RLE, which is for the Jeep JK, and it basically takes the place of the overdrive unit on the back of the transmission. Has no effect in normal driving condition, but once you hit 4hi and 4lo, it gives a 2.72:1 ratio. Here is the link to it. http://advanceadapters.com/product/4...overdrive.html