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Message: <blockquote data-quote="INW-Iron-Steel" data-source="post: 27950" data-attributes="member: 11733">Fully support the manual T-case endeavor. I have never owned a 4x4 without manual shift for the exact reason above. I went full manual in my 93 with a posi-lok. Anyway, a few notes:-The pump rub issue has been addressed and fixed (with case saver and upgraded case options) if you did find a nice used 261 you wanted to use.-Make sure to get a NP241C from a GMT400 (88-98 truck, 92-99 suburban) with a 700r4 or 4l60. One from a 4l80 or 5 speed truck will have a different input shaft. The "v" suburban cases are different if I am remembering correctly. -Wiring and a driveshaft will be your biggest obstacles. The case will go in, but you will need to reconfigure the wiring so the actuator on the front axle knows when to engage. The 241 also has a different front output when compared to the 246. Either a flat flange or yoke for u-joint. You will need a new front driveshaft.-NP241 are not without their flaws. Most notably, the snap ring on the rear output shaft. I would recommend either the upgraded snap ring or the snap ring eliminator. Good luck on the swap!</blockquote>