J20 Steering Box Upgrade - Page 4 - JeepForum.com
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post #46 of 48 Old 06-04-2013, 01:58 PM
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1979 CJ7 
Join Date: Jan 2009
Location: Temple
Posts: 732
So I'm going to have to resurrect this old thread here for a bit.....after my PS box on my CJ started leaking, I decided to make the swap. Bought a reman'ed J20 box (fingers crossed that it is in fact a J20 and not something else, but still better than what I currently have, a leaky box) and mounted it up. My PS coupler doesn't work on the input, no surprise there as that was discussed in the swap. The coupler is larger than the input shaft on the gearbox.

So I want to confirm that before I drop $40 more bucks on this and/or dig through my box of misfit parts for my manual coupler (from when I swapped from manual to power two years ago) that the manual coupler is smaller than the power steering coupler? The input shaft on the gearbox measured a shade under 3/4", as mentioned above by JeepnTXJ, 0.720" would be about right.

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post #47 of 48 Old 06-04-2013, 03:14 PM
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1978 CJ7 
Join Date: Jun 2011
Location: Scottdale
Posts: 5,584
Yes, you need a manual coupler.

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post #48 of 48 Old 11-10-2013, 10:02 AM
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1984 CJ7 
Join Date: Mar 2010
Location: Michigan
Posts: 953
I'm about to redo my steering also. I already have the MORE HD bracket and all new tie rod ends to slap on after the box gets swapped out. Great info here fellas!
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