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Old 01-09-2010, 04:09 PM   #1
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Default Low Pinion to High Pinion Swap - Dana 30

I have a 2000 XJ that I want to swap out my low pinion Dana 30 front axle for a high pinion version. If I take one from a 98 or 99 Cherokee will it be a straight swap of just the front axles or will i need the driveshaft from the high pinion axle as well? Anything I need to know before doing this? I a noob at this so any advise will be helpful =)
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Old 01-09-2010, 09:57 PM   #2
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Bump... im sure someone has done this before. Any info would be appriciated
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Old 01-09-2010, 10:00 PM   #3
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Straight swap.
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Old 01-09-2010, 10:12 PM   #4
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Thanks man... stock gears for mine is 3.55 right? Sorry I'm still learning
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Old 01-09-2010, 10:46 PM   #5
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Assuming you have 4.0L and an AW4 tranny, then yes the gear ratio is 3.55.
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Old 01-09-2010, 10:47 PM   #6
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Quote:
Thanks man... stock gears for mine is 3.55 right? Sorry I'm still learning
should be a tag on the diff
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Old 11-01-2011, 11:54 PM   #7
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Anyone have a picture showing both LP D30 and HP D30? How does one tell the difference?
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Old 11-02-2011, 12:25 AM   #8
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http://www.naxja.org/forum/showthread.php?t=20584
3rd post down
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Old 11-02-2011, 12:33 AM   #9
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Quote:
Originally Posted by Geo Fry View Post
I have a 2000 XJ that I want to swap out my low pinion Dana 30 front axle for a high pinion version. If I take one from a 98 or 99 Cherokee will it be a straight swap of just the front axles or will i need the driveshaft from the high pinion axle as well? Anything I need to know before doing this? I a noob at this so any advise will be helpful =)
Unless your running a big lift or larger than 33s i wouldnt waste my time swaping them out to be honest.
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Old 11-02-2011, 12:35 AM   #10
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HP Dana 30 is stronger since it uses reverse cut R&P.

It's a very smart upgrade.
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Old 11-02-2011, 12:45 AM   #11
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Quote:
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HP Dana 30 is stronger since it uses reverse cut R&P.

It's a very smart upgrade.
Yes but the majority who worry about this dont even need that lil extra strength. A waste in my eyes. Hell there are locals here running 37s on LPs in the tj community without issues just saying.
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Old 11-02-2011, 01:10 AM   #12
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If your gona swap then go stronger or find a d 30 with a locker. no sense in putting a stock diff back in if you can put one in stronger with little work. I would go d 44 and you can find those ready to go in your jeep for a few hundred. At least have the new diff trussed or built up so its stronger than stock. Your doing a lot of work for not much better and really if you need that extra room and extra strength then you should do it right and a stock hp d 30 is a waist of time. Unless you are in need of a new diff because your current one is needing to be rebuilt, dont do the swap.
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Old 11-02-2011, 12:12 PM   #13
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Quote:
Originally Posted by EastBeast View Post
Thanks! I have a high pinion on my '88 XJ.. thought my year only had low pinion..

*Edit--- nevermind, I was getting my facts reversed...
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, 4.0L I6, AX15e manual, NP242, Open diff. 3.54 HP D30/D35, 7-ft bed, dual exhaust, 225/70R/15, 1" BB lift, etc. -- <MJ Build>


Death Wobble?




Last edited by onlyinajeep726; 11-02-2011 at 12:20 PM. Reason: I'm a dumbass
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