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Old 08-18-2016, 11:45 PM   #24
'63GENIII
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Join Date: Sep 2008
Location: San Carlos, Ca.
Posts: 3,048
Re: Won't shift into 4 wheel high!

Welcome back. I have no idea what your t case is but I would start by finding out what kind of oil it uses and change that first. Note the condition of oil that you drain out. I had a T221 that was a stubborn shifter. Linkage looked good but for some reason would not be able to shift unless I got under the truck and used a small pry bar. The shift shafts would move very easily from underneath. If it has detent balls and springs that can be easily removed like on a 205, Id pull them out and see if it shifts easier with the detents pulled. If it does, clean and grease the detents. Thats all I can think of for now without pulling the case out.

Ive since swapped in a 205 and plan on cable shifting it. Got tired of messing with the Rockwell.
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'63 k15 long step
Vortec 7.4 - L29 Blackbear tune, Five 0 Motorsports injectors, Chris Straub Cam, NV4500, divorced 205
52" front and 63" rear spring swap
D44 / 14bff - disc axles
Milemarker 9K and 10.5K hydraulic winches

63" & B52 Spring Install http://67-72chevytrucks.com/vboard/s...ng+swap+thread


NV4500 Reverse Build Thread http://67-72chevytrucks.com/vboard/s...=reverse+build

L29 - 7.4 Vortec Build http://67-72chevytrucks.com/vboard/s...&highlight=L29
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