http://jeepinbyal.com/prod-Dana_30_Steel_IFS-706.aspx This is a tempting upgrade
Kinda pricey though
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| Front axle....how strong? http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=3&t=57134 |
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| Author: | KJ_WHEELER_2010 [ Fri Nov 26, 2010 12:48 am ] |
| Post subject: | Front axle....how strong? |
Ok I've been wondering this for awhile. Any thoughts on how long the front dana30 would hold up with a locker or limited-slip and 32s? Just something I've been kicking around in my head for awhile... |
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| Author: | liquidxit2 [ Fri Nov 26, 2010 12:53 am ] |
| Post subject: | Re: Front axle....how strong? |
With stock gearing? God only knows. With 4.10s? well id say until the apocolypse at least. |
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| Author: | KJ_WHEELER_2010 [ Fri Nov 26, 2010 1:02 am ] |
| Post subject: | Re: Front axle....how strong? |
I was worried about snapping a CV shaft |
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| Author: | ridenby [ Fri Nov 26, 2010 2:46 am ] |
| Post subject: | Re: Front axle....how strong? |
CV isn't the big problem. The alum.housing of the D30a will allow the pinion shaft to "walk" resulting in a split housing. This seems to occur when the tires are spinning freely then hook up. A DTT is thought to help by reducing the amount of spinning. |
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| Author: | KJ_WHEELER_2010 [ Fri Nov 26, 2010 8:47 am ] |
| Post subject: | Re: Front axle....how strong? |
http://jeepinbyal.com/prod-Dana_30_Steel_IFS-706.aspx This is a tempting upgrade Kinda pricey though
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| Author: | bugnout [ Fri Nov 26, 2010 12:45 pm ] |
| Post subject: | Re: Front axle....how strong? |
Got it, love it, worth it if your planning to keep your KJ till the wheels fall off. I have ARB selectable locker and 4.10's. Now the weak link is the CV's, but carrying an extra set is a whole lot easier and cheaper than carrying a spare Diff. |
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| Author: | KJ_WHEELER_2010 [ Fri Nov 26, 2010 12:49 pm ] |
| Post subject: | Re: Front axle....how strong? |
hhhmm Think I might pick it up when I get back from deployment. Anybody know of anyone that makes stronger CVs? Hey Bugnout, with the 4.10 gears whats your RPM at when your going 70mph? Also whats your tire size? |
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| Author: | bugnout [ Fri Nov 26, 2010 1:25 pm ] |
| Post subject: | Re: Front axle....how strong? |
235x85R16 - 32 inch tires. Switching to 4.10's brought the shift points back to stock with the larger tires. J.E. Reel makes beefier axle assemblies. JBA sells them as well. Marlin at JBA has been teasing us with hints he might be coming out with some super CV's, but no official announcement yet. |
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| Author: | JL Rockies [ Fri Nov 26, 2010 1:33 pm ] |
| Post subject: | Re: Front axle....how strong? |
I have a DTT 4.10's and I've wheeled from coast to coast from the highest altitudes of The Rockies and the deserts of SE Utah to the swamps of S FL and back again. I currently have 110K miles with no problems and no need to upgrade anything else. |
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| Author: | liquidxit2 [ Fri Nov 26, 2010 3:15 pm ] |
| Post subject: | Re: Front axle....how strong? |
I'm excited about these super CVs. I'm really tempted to get the HD ones jba offers for when I lift the kj, as well as the steel d30. But the steel d30 will have to come later unless uncle sam is REALLY generous and gives us all our money back. Sent from my SPH-D700 using Tapatalk |
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| Author: | Fulltimer [ Fri Nov 26, 2010 6:31 pm ] |
| Post subject: | Re: Front axle....how strong? |
I have 32" tires and 4.10's also. Power didn't come back 100%. The speedo is off. Terry |
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| Author: | tjkj2002 [ Fri Nov 26, 2010 10:05 pm ] |
| Post subject: | Re: Front axle....how strong? |
ridenby wrote: CV isn't the big problem. The alum.housing of the D30a will allow the pinion shaft to "walk" resulting in a split housing. This seems to occur when the tires are spinning freely then hook up. A DTT is thought to help by reducing the amount of spinning. I had the other problem,D30A survived just fine under a 5500lbs KJ running 4.10's,DTT,and wheeled some of the tougher trails in CO,the left/outer CV joint did not fair so well....................  Actually JL is running my old front D30A,still going strong.Knowing how to drive it offroad with the D30A is key to making it live a long and happy life. |
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| Author: | JL Rockies [ Thu Dec 02, 2010 10:58 am ] |
| Post subject: | Re: Front axle....how strong? |
... and I learned how to drive from tjkj2002 so go figure, |
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| Author: | KJ_WHEELER_2010 [ Thu Dec 02, 2010 1:09 pm ] |
| Post subject: | Re: Front axle....how strong? |
When I get back to the states I wanna re-gear with 4.10s, have the JBA steel diff, HD CVs and a limited slip in the front. I think it'll hold up for what I do. |
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| Author: | JL Rockies [ Thu Dec 02, 2010 1:19 pm ] |
| Post subject: | Re: Front axle....how strong? |
MOAB is my backyard and I don't have any of that stuff (except 4.10)... I do acknowledge that the terrain in KY is much more severe however. |
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| Author: | durangotang [ Thu Dec 02, 2010 4:06 pm ] |
| Post subject: | Re: Front axle....how strong? |
JL Rockies wrote: MOAB is my backyard and I don't have any of that stuff (except 4.10)... I do acknowledge that the terrain in KY is much more severe however. I don't have any of it... ran Moab Rim, ran Poughkeepsie Gulch, ran Elephant Hill, ran Baja, nothing broke. Might be a decent idea for the OP to take the approach that Mudd and myself have: buy a spare diff and CV's just in case you ever break one. It will probably never happen and you'll have thousands of dollars still in your pocket for other goodies. |
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| Author: | tommudd [ Thu Dec 02, 2010 6:42 pm ] |
| Post subject: | Re: Front axle....how strong? |
durangotang wrote: Might be a decent idea for the OP to take the approach that Mudd and myself have: buy a spare diff and CV's just in case you ever break one. It will probably never happen and you'll have thousands of dollars still in your pocket for other goodies. Agree 
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| Author: | KJWildman [ Thu Dec 02, 2010 10:33 pm ] |
| Post subject: | Re: Front axle....how strong? |
durangotang wrote: Might be a decent idea for the OP to take the approach that Mudd and myself have: buy a spare diff and CV's just in case you ever break one. That's my plan too when I finish what I'm doing now!
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| Author: | CRD Joe [ Sat Dec 18, 2010 12:01 am ] |
| Post subject: | Re: Front axle....how strong? |
I spoke with an ex ARB guy here in Seattle. He told me he's seen a few aluminum KJ 30's peeled open from wheeling. |
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| Author: | tommudd [ Sat Dec 18, 2010 12:59 am ] |
| Post subject: | Re: Front axle....how strong? |
Did he also say that he's also seen a few 35's/44's/60's etc as well ? I have As a matter of fact I have seen 30a's busted as well, changed some out but still not enough of a concern for me to get anything else plus I have a spare
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