242HD heavy clunk/thump over speed bumps - Page 2 - JeepForum.com
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post #16 of 18 Old 10-08-2021, 12:06 PM Thread Starter
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2002 WJ 
Join Date: Sep 2010
Location: Huntington Beach
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Originally Posted by Sangster View Post
Interesting, I was going to say adjust your lower arms and upper IRO A-arm out to move the axle backwards if it was bottoming out at the slip yoke.
I though about that possibility so one of my tests was to put an o-ring around the driveshaft yoke to track how far is goes. It stays at least 3/4" away from bottoming out. Its a great test for anyone playing with their axle location and driveshaft lengths.

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post #17 of 18 Old 10-09-2021, 12:43 PM
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2004 WJ 
Join Date: Mar 2018
Location: The Motor City
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This was with a stock d/shaft? I ask because I am rebuilding a 242hd this winter for mine but am going to a double cardan at the case.

2004 Limited, 4.7 modded slightly, IRO 3" RockLink LA front, adjustable SA rear, Bilsteins, Addco bar, JKS disconnects. Coming attractions include 242hd, IRO SYE and Woods DS right after the new engine/trans..
1974 Ironhead Sportster, total custom
High speed, low drag
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post #18 of 18 Old 10-10-2021, 05:18 PM
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2000 WJ 
Join Date: Jan 2020
Location: Near SLC
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Amazing solution to this problem. This is one that most would not take the time to dig this deep. I need to look closer at this myself. I dont always get this clunk, but every once in a while.....Thanks for the extera effort, and posting the solution here once you found it.

'00LMTD-4.7l,242hd,D30,D44A,3.73's,True-trac front,Spartan rear,4" short arm lift,JK'sW/32's
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