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| Questions about the front differential http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=3&t=19952 |
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| Author: | Fulltimer [ Sun Apr 22, 2007 12:48 pm ] |
| Post subject: | Questions about the front differential |
What exactly breaks on them? Is the reinforcing strap the only cure? IF it's the housing that brakes, would extra large, as in built up, welding seams help out? Terry |
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| Author: | carroll952 [ Sun Apr 22, 2007 12:58 pm ] |
| Post subject: | |
Check this out, has pics and an explenation of what broke. Aside from the reinforcing coller, I'm not sure what else can be done to it. I imagine it's basically just hard to overcome the fact that the Dana 30a is aluminum. http://www.lostjeeps.com/forum/phpBB3/vie ... ana#114918 Justin |
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| Author: | Fulltimer [ Sun Apr 22, 2007 3:17 pm ] |
| Post subject: | |
Thanks for the link. Interesting. It seems like there should be something out there that would work as a substitution from a junk yard. Why they would use aluminum is beyond me. I guess, weight and $$$. Terry |
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| Author: | spoonplugger1 [ Mon Apr 23, 2007 11:53 am ] |
| Post subject: | |
Al of www.jeepinbyal.com had his beefed with additional aluminum webs while he had it out, I haven't heard of him having any problems since. Check with him for info, he's running larger tires than the rest of us also. |
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| Author: | Mutt [ Mon Apr 23, 2007 12:01 pm ] |
| Post subject: | |
It's not so much the fact that the diff is aluminum, it's more due to poor engineering on Daimler-Chrysler's part. Mark William's and others manufacture a 9" Ford aluminum third member that is used in applications with over 1000 ft/lb of torque. |
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| Author: | Phadeout [ Tue Apr 24, 2007 11:14 am ] |
| Post subject: | |
Hmmm, I noticed that the 30a uses 75w-140 and doesn't give the 75w-90 as an optional gear oil like the 8.25 does. Could using 75w-90 help relieve some of the pressure on the diff and maybe, just maybe, help it stay together? |
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| Author: | Jeepjeepster [ Tue Apr 24, 2007 1:50 pm ] |
| Post subject: | |
Phadeout wrote: Hmmm,
I noticed that the 30a uses 75w-140 and doesn't give the 75w-90 as an optional gear oil like the 8.25 does. Could using 75w-90 help relieve some of the pressure on the diff and maybe, just maybe, help it stay together? no, the oil wouldnt do anything. |
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| Author: | Fulltimer [ Tue Apr 24, 2007 5:09 pm ] |
| Post subject: | |
I sent off an e-mail to Dana for suggestions. IF they answer me I'll post it. Terry |
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