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Old January 28th, 2008, 11:35 AM   #1
muddy maki
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Default 07 Dodge rear lp AAM 9.25

might be able to get a aam 9.25 lp from a 07 dodge 1500 for a killer deal. just wondering if anybody knows anything good bad or other about them.

i have read rumors of the limited slips not holding up but i would replace probably the hole carier when regearing.

is it stronger than a ford 8.8 or d44?
would it hold up to 35-37 in tires?
is it a c clip axel?
dose it have weak axel tubes?
what is the spline count on the axel shafts?


my thought is this would give me rear discs and replace my weak d35 for prety much cost of coil brackets and regearing.
only bummer is i would need a full width front as well.
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Old January 28th, 2008, 11:50 AM   #2
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the chysler 9.25 is a very strong axle, comparable to a chevy 12 bolt. the 9.25 uses a 12 bolt ring gear, is a c-clip axle, can withstand 38's on a stock axle without problems. the axle tubes are rather large and fairly strong stock but i would recommend welding them all the way around to be safe. as for spline count they are a 31 spline axle. you can buy a auburn pro series posi for them to replace the stock limited slip unit. overall not a bad axle
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Old January 28th, 2008, 03:09 PM   #3
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well for free i guess you cant beat that.
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Old January 29th, 2008, 02:27 PM   #4
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You should PM Snocross2extremes and ask him what has happened to his Ram's 1/2-ton axles on 37's with a stock motor. I think he told me he'd broken more than one shaft. I sold him a D60/D70 not too long ago.

IIRC, the 925 was also the axle that had a problem with shafts coming out, wasn't it? That was a few years back and I'm sure has been corrected by now.
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Old January 29th, 2008, 09:40 PM   #5
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like anything if you beat on it, it will break sooner or later.
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Old January 29th, 2008, 09:49 PM   #6
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Originally Posted by PavementPounder View Post
You should PM Snocross2extremes and ask him what has happened to his Ram's 1/2-ton axles on 37's with a stock motor. I think he told me he'd broken more than one shaft. I sold him a D60/D70 not too long ago.

IIRC, the 925 was also the axle that had a problem with shafts coming out, wasn't it? That was a few years back and I'm sure has been corrected by now.
wouldnt that be a c-clip problem?
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Old January 29th, 2008, 10:13 PM   #7
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is an 07 the same 9.25 as the old ones? i thought the AAM's were all new, similar to the 3/4 and 1 tons.
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Old January 30th, 2008, 05:55 AM   #8
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like anything if you beat on it, it will break sooner or later.
More like anything that isn't that strong will break sooner or later.

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wouldnt that be a c-clip problem?
Yes.

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is an 07 the same 9.25 as the old ones? i thought the AAM's were all new, similar to the 3/4 and 1 tons.
Maki is saying AAM, but he means Chrysler 9.25. The AAM 925 is a front axle application in Rams. I have no idea how much the newer Chrysler 9.25's have been improved, but they were in the news as being failure-prone when the DR platform came out. I think that the 9.25 in a modified Ram represents too much vehicle and not enough axle, but I tend to overbuild for insurance. I'd use it under an XJ.
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Old January 30th, 2008, 05:51 PM   #9
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so they changed all the axles in all the vehicles, except for the half ton ram?

either way, i wouldnt be afraid of using it in an xj at all. i have the old style 9.25 in my ramcharger and it has held up with 35" boggers, 38" tsl's, 39.5" baja belted's, and 38" claws. it runs a detroit, 4.56's and a decent amount of power.

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Old January 30th, 2008, 06:01 PM   #10
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so they changed all the axles in all the vehicles, except for the half ton ram?
Looks that way. I thought maybe he was mixing up model numbers and meant the AAM 950, but that's the GM SF 14-bolt and I don't believe Dodge has ever used it (unless it was a new offering this past year).
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Old January 30th, 2008, 10:29 PM   #11
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the chysler 9.25 is a very strong axle, comparable to a chevy 12 bolt. the 9.25 uses a 12 bolt ring gear, is a c-clip axle.
its actually more comparable to a SF Dana 60 (GM truck 12 bolts are weak as far as axles are concerned, with the 10 bolt be stronger because of bigger bearings). the only downfall to 9 1/4 is the outer pinion bearing failing.


mine has been attached to 36"x14.50" TSLs and 37" MTR's for most of its life and never had a problem, including hauling 30 bundles of shingles several times in it, as well as hauling a chord of firewood a few times.
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Old January 31st, 2008, 05:59 AM   #12
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its actually more comparable to a SF Dana 60 (GM truck 12 bolts are weak as far as axles are concerned, with the 10 bolt be stronger because of bigger bearings). the only downfall to 9 1/4 is the outer pinion bearing failing.


mine has been attached to 36"x14.50" TSLs and 37" MTR's for most of its life and never had a problem, including hauling 30 bundles of shingles several times in it, as well as hauling a chord of firewood a few times.
How old is yours?
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Old January 31st, 2008, 08:24 PM   #13
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Originally Posted by PavementPounder View Post
You should PM Snocross2extremes and ask him what has happened to his Ram's 1/2-ton axles on 37's with a stock motor. I think he told me he'd broken more than one shaft. I sold him a D60/D70 not too long ago.

its going behind a jeep 2.5l for now.
but stock 97 ram 2500 360 is the end plan but years a way.
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Old January 31st, 2008, 11:20 PM   #14
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its a '99
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