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Unread 12-12-2012, 10:11 AM   #16
JeePete
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Quote:
Originally Posted by 82JeepCJ7 View Post
I went away from the flange and use a NP231 yoke. My rear spring perches were welded on with the rear yoke pointing at the t-case output.
Wouldn't this present a problem with the pinion getting lubrication?

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Unread 12-12-2012, 11:38 AM   #17
Noplainsdrifter
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Quote:
Originally Posted by JeePete View Post
Wouldn't this present a problem with the pinion getting lubrication?
One answer to this is to move the filler hole higher on the diff cover to allow more oil so it will lube the pinion bearing.
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Unread 12-12-2012, 11:41 AM   #18
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Or fill the rear end when your on the appropriate slope? 8 ^)
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Unread 12-12-2012, 11:49 AM   #19
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That would be a steep a$$ hill! I'm actually doing this now, cut a rectangle hole around the filler plug, turn it over and weld in place. This should give me 1-2" more fluid level to cover the pinion.
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Unread 12-12-2012, 12:18 PM   #20
Matt1981CJ7
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82,

Nice write-up and pics, my friend.

How much ground clearance did you gain by clocking and raising the t-case? And do you think it was worth it, considering the additional mods and shop time?

Shoot me a PM with your impressions of the your new engine, when you get the driveline sorted out.

Matt
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Unread 12-12-2012, 08:19 PM   #21
82JeepCJ7
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Anyone that has a AMC 20 knows the filler plug is not in the cover...

Following along in the discussion, we were talking about a Spicer 20 T-case when I said they were 10 spline. Yes, I am aware the Dana 300 output is 26 spline (its in the thread earlier.)

I picked up quite a bit of ground clearance by clocking the T-case. I figure around 6". I now have 24" of ground clearance under the skid plate. All did to clock it was re-drill the adapter flange. I had to cut out the tunnel on the passenger side because I hate body lifts. I think it turned out nice.











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Unread 12-12-2012, 09:58 PM   #22
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Quote:
Originally Posted by 82JeepCJ7
Anyone that has a AMC 20 knows the filler plug is not in the cover...

Following along in the discussion, we were talking about a Spicer 20 T-case when I said they were 10 spline. Yes, I am aware the Dana 300 output is 26 spline (its in the thread earlier.)

I picked up quite a bit of ground clearance by clocking the T-case. I figure around 6". I now have 24" of ground clearance under the skid plate. All did to clock it was re-drill the adapter flange. I had to cut out the tunnel on the passenger side because I hate body lifts. I think it turned out nice.
82, nice work!! And good pictures!

Bill
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Unread 12-13-2012, 06:46 AM   #23
Matt1981CJ7
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Wow!!

That was a quite a modification, 82. Nice work!!

However, when I look at your skid plate in relationship to your frame, it doesn't appear to provide much more clearance than factory.

Matt
skidmod4.jpg   skidmod5.jpg  
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Unread 12-13-2012, 06:59 AM   #24
82JeepCJ7
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I would have been able to go flat across the frame with a flat plate, but I was trying to figure out how to use the stock mount and torque arm. I am sure I could figure something out, I just had a short time to get it done as they were closing the shop I worked at and I needed to get it done ASAP. My skid only sticks down 1.25" from the bottom of the frame.
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Unread 12-13-2012, 08:29 AM   #25
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Quote:
Originally Posted by 82JeepCJ7 View Post
Following along in the discussion, we were talking about a Spicer 20 T-case when I said they were 10 spline. Yes, I am aware the Dana 300 output is 26 spline (its in the thread earlier.)
That would have been my comments you're referring to, and if you were paying attention you would have also noticed that I said that the later 20s were 26 spline as well. The person who asked has a 77 CJ, so it's a crapshoot as to whether his is 10 spline or 26 spline.
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Unread 12-30-2012, 06:42 PM   #26
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Great writeup 82JeepCJ7! I just bagged myself the same front '96 Grand Cherokee driveshaft and the yoke that was attached to the NP231. I did end up taking two yokes off at the junkyard, the 1st was not 26-spline and when I double checked the transfer case is was not an NP231 (even though they look very similar)

I wanted to know how the DS its holding up to off-road abuse? I plan to take mine to a driveshaft shop to shorten and re-balance.
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Unread 12-30-2012, 06:49 PM   #27
82JeepCJ7
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So far, so good. I still have not taken it in to be balanced/straitened. It runs with no vibration.
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Unread 12-30-2012, 07:40 PM   #28
inovermyhead2
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Quote:
Originally Posted by Matt1981CJ7
Wow!!

That was a quite a modification, 82. Nice work!!

However, when I look at your skid plate in relationship to your frame, it doesn't appear to provide much more clearance than factory.

Matt
Matt, not looking for a confrontation but I believe you are looking at the wrong pics. The pics you posted are of the stock skid plate and the d300 before it was clocked. It's the second photo that shows the new skid and the d300 clocked. I could be wrong, but thats how I interpreted the OP photos.
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Unread 12-30-2012, 09:43 PM   #29
82JeepCJ7
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Both pics Matt posted were of a stock Dana 300 and skid plate.
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Unread 02-16-2013, 04:06 PM   #30
Alex77cj7
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Does anyone know what output yoke I would use for the 10 spline Dana 20?
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