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Old Oct 12, 2006 | 12:13 AM
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does anyone have pics of the moser 12 bolt housing where the torque arm mounts to it? i tried search and its not working and moser doesnt have **** on their website
thanks
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Old Oct 12, 2006 | 12:26 AM
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What do you need to see? Search isn't working for me but I made a post a few months back with lots of pictures on installing a 12 bolt.

The housing up front is just like the 12 bolt, with the difference being that the torque arm bolt holes don't go all the way through...you use 4 shorter bolts instead of the two long bolts with nuts on the ends.
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Old Oct 12, 2006 | 01:42 AM
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would it be possible before installing the rear end to go through and machine two straight through holes instead of the four little ones so it would have a factory style mount out back?
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Old Oct 12, 2006 | 06:03 AM
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the stock torque arm bolts to the 12 bolt housing the same way as it bolts to the 10 bolt but instead of 2 through bolts you use four shorter ones (just wanted to make sure that was crystal clear). i thought it was easier to mount the four shorter bolts than it was to mount the through bolts. i also did the uninstall and install by myself in my garage with a floor jack and 2 jack stands in 7 hours...pain in the *** but i beat the time i was quoted by 3 shops by 1 hour

if you drilled the holes all the way through your probably compromising the integrity of the housing, if not drilling through the interior walls . i would call moser, most of those guys are pretty helpful. if the first guy doesnt know the answer ask to talk to someone else..thats what i did to find the torque specs for the backing plate nuts and bolts

if you dont mind me asking...why do you want through bolts?
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Old Oct 12, 2006 | 09:33 AM
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Originally Posted by 94z28L
would it be possible before installing the rear end to go through and machine two straight through holes instead of the four little ones so it would have a factory style mount out back?
Hope you don't mind me asking, but why would you want to do that?
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Old Oct 12, 2006 | 12:04 PM
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Originally Posted by keliente
Hope you don't mind me asking, but why would you want to do that?
i've just heard of a lot of people with the moser style housing having problems with the smaller bolts backing out as opposed to the strange housing where it has the through bolts and some companys wont warranty their torque arms if the factory style mounting isnt used
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Old Oct 12, 2006 | 04:57 PM
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Originally Posted by LS1>girlfriend
the stock torque arm bolts to the 12 bolt housing the same way as it bolts to the 10 bolt but instead of 2 through bolts you use four shorter ones (just wanted to make sure that was crystal clear). i thought it was easier to mount the four shorter bolts than it was to mount the through bolts. i also did the uninstall and install by myself in my garage with a floor jack and 2 jack stands in 7 hours...pain in the *** but i beat the time i was quoted by 3 shops by 1 hour

if you drilled the holes all the way through your probably compromising the integrity of the housing, if not drilling through the interior walls . i would call moser, most of those guys are pretty helpful. if the first guy doesnt know the answer ask to talk to someone else..thats what i did to find the torque specs for the backing plate nuts and bolts

if you dont mind me asking...why do you want through bolts?
awesome thanks man, ill give em a call
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Old Oct 12, 2006 | 08:46 PM
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Originally Posted by 94z28L
i've just heard of a lot of people with the moser style housing having problems with the smaller bolts backing out as opposed to the strange housing where it has the through bolts and some companys wont warranty their torque arms if the factory style mounting isnt used
On my gf's Z28, she used the four bolts. With loctite and lock washers, they never came loose with a UMI torque arm, even after a lot of hard hitting launches.
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Old Oct 13, 2006 | 08:19 AM
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A friend who has a moser 12 bolt found some weird locking bolts that are theoretically impossible to get loose. I didn't really understand his explanation on how they worked, but there is suppose to be a kit for it.
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Old Oct 13, 2006 | 07:04 PM
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Originally Posted by Ziptie
A friend who has a moser 12 bolt found some weird locking bolts that are theoretically impossible to get loose. I didn't really understand his explanation on how they worked, but there is suppose to be a kit for it.
same idea as u bolts for traction bar/leaf spring to axle applications. the threads stretch and keep constant stress on the nuts so they "dont come lose"
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Old Oct 13, 2006 | 07:37 PM
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Originally Posted by keliente
Hope you don't mind me asking, but why would you want to do that?
As stated, the four blind, tapped holes are just not a good design for something seeing the vibrations that a rear does. Bolts backing out is not a good thing, although avoidable with consistent maintenance, or a good safety wire (although most people don't like doing that, me included).

That was the only thing that drove me to a Strange 12-bolt.
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Old Oct 14, 2006 | 08:48 AM
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This picture here shows our arm installed with a 12-Bolt, it doesn't concentrate much on the torque arm though- http://www.umiperformance.com/images/2004b.jpg

Moser claims there design is like that for the strength of the housing. It is common for the bolts to come loose and when they do its a mess. The problem is once they are loose if you do a hard launch you are going to break something. I don't care what brand torque arm you have or how good it is.. you do a hard launch with finger tight bolts you are going to break it.
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Old Oct 14, 2006 | 08:51 AM
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which is why i go under my car once a week and check everything.. will be the extra insurance in a couple years when i go with a 12 bolt.

Originally Posted by UMI Performance
This picture here shows our arm installed with a 12-Bolt, it doesn't concentrate much on the torque arm though- http://www.umiperformance.com/images/2004b.jpg

Moser claims there design is like that for the strength of the housing. It is common for the bolts to come loose and when they do its a mess. The problem is once they are loose if you do a hard launch you are going to break something. I don't care what brand torque arm you have or how good it is.. you do a hard launch with finger tight bolts you are going to break it.
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