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| KJ to KK Diff swap, going for it :) MUhahaha! http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=3&t=78121 |
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| Author: | WhitbyKJ [ Sun Jan 26, 2014 7:21 am ] |
| Post subject: | KJ to KK Diff swap, going for it :) MUhahaha! |
K, I know this is my first post, but trust me, I have been lurking around in the background for about two years reading posts and what not, and I'm pretty sure I have seen every picture of a KK diff that's available on the internet lol. 04 gasser KJ here.. My front diff is worn RIGHT out, sounds like a cat in heat. I have a whole pile of lift parts, springs etc.. but before I lift it I have a few not so basic question for you folks with all the spare parts. 1) Will the KK engine cradle bolt onto the kj, if so, does it hold the engine in the same location? (if not, I will mod mine) 2)Will the CV shafts from a KK, work with the KJ wheel bearings/unit hubs on the front end? 3)Is there any difference between the KJ and KK steering knuckles? (I ask this for purpose of upper a arm angle) 4) MOST IMPORTANT: for those of you that have removed the engine cradle on a KJ, where did you support the engine while removing it? iE, from the ground. or do I have to weld up my own crane? (which could be fun >:) ) I know many of you have talked about the KK diff swap, but I'm going for it, with pics, I cannot be discouraged or bought out Thanks in advance Ryan. |
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| Author: | streetglideok [ Sun Jan 26, 2014 11:12 am ] |
| Post subject: | Re: KJ to KK Diff swap, going for it :) MUhahaha! |
I'll let someone answer the other questions, but as far as supporting the engine, the best way may be to get an engine support cradle that holds the engine in place from up above. We use them on front wheel drive cars when dropping the subframes out on them a lot, or in some cases for engine mount removal to do engine work. |
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| Author: | WhitbyKJ [ Sun Jan 26, 2014 2:43 pm ] |
| Post subject: | Re: KJ to KK Diff swap, going for it :) MUhahaha! |
So use a saddle type strap deal? Maybe a heavy recovery strap that goes all the way around? I was considering an axle stand on the back of the oil pan lip/tranny bell housing. |
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| Author: | tommudd [ Sun Jan 26, 2014 2:53 pm ] |
| Post subject: | Re: KJ to KK Diff swap, going for it :) MUhahaha! |
First why switch out from KJ to KK front diff and its a necessity? Engine sits in basically the same location KKs use different upper and lower control arms and spindle than the KJ Different mounts as well , I have measurements of both but haven't looked at them lately Just wondering why or what you expect to gain, just curious |
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| Author: | streetglideok [ Sun Jan 26, 2014 4:11 pm ] |
| Post subject: | Re: KJ to KK Diff swap, going for it :) MUhahaha! |
Guessing the KK front diff, its stronger in design? As for the engine cradle, this is similar to what I meant: http://www.harborfreight.com/1000-lb-ca ... 96524.html |
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| Author: | WhitbyKJ [ Sun Jan 26, 2014 9:10 pm ] |
| Post subject: | Re: KJ to KK Diff swap, going for it :) MUhahaha! |
Just finished at 12 hour shift, so this may be scatter brained... Sorry Tjkj! Omg your like my f*ing hero! (Told ya I was lurking on the forums for awhile lol) I love your engine support! And I love welding.. So the general consensus is, that I have to support it from the top. Roger thanks a million guys!! With regards to my desire to change diffs... I am modifying my original post.. Tjkj, your question sparked an idea in my head... I am a millwright.. Why don't I just make something. I know I probably caught alot of attention with my post, but here I shall somewhat keep to the original idea, I should pull the kj diff off, rebuild it or buy a good one, whichever is cheaper.. And truss it! Like truss the hell out of it! Front back, upside down and sideways!! Aluminum always goes on sale ... So instead of the prices being as follows: 295 dollars for used kk diff with 3.73 150 dollars for used kk cradle ?? 145 dollars in cv shafts And still having an aluminum d30, albeit stronger... Why not this: 145 dollars for used kj diff 95 dollars worth of aluminum stock 120 dollars for new cvs (for poops and giggles, I got 230,200 Kms on mine) And in the end I'll have a bolt on diff for any kj that will probably ALOT stronger than the kk's And this way, I won't have to drop the cradle It might weigh 45 lbs more.. But I guarantee you the nose cone won't split. Sorry for this huuuuuuge scatterbrained message.. I'm tired, but you guys rock. |
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| Author: | JeepMorrison [ Sun Jan 26, 2014 9:18 pm ] |
| Post subject: | Re: KJ to KK Diff swap, going for it :) MUhahaha! |
So how are you gonna truss the KJ diff? Sent with the power of children's screams!!! |
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| Author: | WhitbyKJ [ Sun Jan 26, 2014 9:46 pm ] |
| Post subject: | Re: KJ to KK Diff swap, going for it :) MUhahaha! |
aluminum can be welded. I'm gonna get creative.. pics to follow.. |
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| Author: | JeepMorrison [ Mon Jan 27, 2014 1:42 am ] |
| Post subject: | Re: KJ to KK Diff swap, going for it :) MUhahaha! |
Gotta post pics....I can weld aluminum but I haven't had the drive or the thought to do the factory diff....I figured if I ever blow it, im getting a steel diff with 4.56 Sent with the power of children's screams!!! |
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| Author: | WhitbyKJ [ Mon Jan 27, 2014 8:55 pm ] |
| Post subject: | Re: KJ to KK Diff swap, going for it :) MUhahaha! |
Just got in from work. I gotta get this out there before I go slush brained like last night. Sourced a diff from a mom and pop yard, delivered to my door 217, taxes in.. The local big name yard quotes me 350 with a core of 50 bucks... Before taxes.. But yet a kk diff was waaaaaay less than that IIRC. I did some humming and haaing about how to go about this.. Pretty sure it's gonna be a grind down of the current "fins" with some 1/4 inch aluminum gussets front to back with a machines to fit collar welded onto the nose cone which further more ties into gussetry and perhaps maybe a gusset to the intermediate shaft tube.. Not exact sure yet how it's all gonna piece together but one things for sure. I am stoked!!! |
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| Author: | Chipppy [ Wed Feb 05, 2014 8:59 pm ] |
| Post subject: | Re: KJ to KK Diff swap, going for it :) MUhahaha! |
Let me know how it goes I'm about to put a new diff I an could love to strengthen it a bit. I cracked mine all the way to the front Sent from my iPhone using Tapatalk |
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| Author: | dieselenthusiast [ Sun Feb 09, 2014 2:26 am ] |
| Post subject: | Re: KJ to KK Diff swap, going for it :) MUhahaha! |
This should be interesting to watch.
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