Moser 9" Twisted splines already?? - LS1TECH

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Moser 9" Twisted splines already??

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Old 05-18-2011, 08:59 AM   #1
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Default Moser 9" Twisted splines already??

I'm not sure if anyone else has had any problems with moser, but I bought a whole moser 9" online and had it installed about 16 Months ago and I have had it to the track 2 times.. This last time I twisted the axles really bad and they won't back it up. What kind of support is that for paying a lot of money for something that should have lasted longer than my STOCK 10 bolt that didn't even break anything other than the center limited slip unit? It's a 1999 Trans am with a cam and bolt on's.. Not to mention I might be running just over 400HP I think they messed something up because there is no way that those should twist that easily, at least if they had hardened them. What do I do from here? I probably have 4000 miles on this rear.

Last edited by LS1 Transam; 06-17-2011 at 01:08 PM. Reason: Added photo
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Old 05-18-2011, 11:07 AM   #2
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Who did you order if through? You should contact whoever you bought it through to see what they can do to help you out. Bob
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Old 05-20-2011, 10:59 AM   #3
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Texas Speed as well as all of my aftermarket parts.. They have always been bad about shipping out my items, I even waited a month to get this rearend so I could have it installed since it shipped in 3 pieces.
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Old 05-20-2011, 01:20 PM   #4
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How many spline axles?
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Old 05-20-2011, 01:27 PM   #5
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i know for shure moser backs up their axels for 10 yrs. if they are moser axels some packages come with a moser housing dont have moser axels. and may be whey they twisted if 31 spline i could see them twisting. 33 or 35 no way
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Old 05-20-2011, 03:44 PM   #6
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Moser backs their 33,35 and 40 spline axels for 10 years; if you have the basic 31 spline 9" setup you may be out of luck.I'm surprised you would twist them but I guess Moser doesn't think their 30 and 31 spline axels are tuff enough for the guarantee.
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Old 05-23-2011, 01:20 PM   #7
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Yes they are 31, I explained before I bought the rear the horsepower I'm running and what I might be running in the future and they acted like 31 spline was what I needed for street/strip.
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Old 05-31-2011, 12:26 PM   #8
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I guess they won't back up their work, I talked to moser and to speed inc. and neither will do anything about it, pulled the passenger side axle out and it's still straight (so did I get one that was faulty or something) so now I have a few options, either I can put another new axle in and sell that rear or I can just buy 35 spline parts to replace the insides of this one? So what's cheaper I already dumped a bunch of money into this one.. Maybe somebody wants to buy this one from me and I'll go to a 35 spline rearend. Any suggestions would be welcomed.
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Old 05-31-2011, 06:40 PM   #9
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Sorry to see you could'nt get any help with your axle but not real surprised.I assume this is a m6 Trans Am to have twisted an axle.Whats in your center- trac loc,true trac or what? Thats the problem;you could easy upgrade to better axle but if you want a LSD and not a locker or spool a wavetrac might be your only option and they are $.Of course if you dont go back to the track just replace the 31 spine axle.BTW what tires were you running and how high rpm were you launching?
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Old 06-15-2011, 08:38 PM   #10
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I'm in the same boat right now. Twisted drivers side axle at the splines (31) and the true-crap pops taking tight turns. I was wondering if saving up for 35 spline axles and a wavetrack would be worth it or just get another true-crap and an axle and not race it.

Quick question though: Will 35 spline axles and respective diff fit in the standard 9" housing Moser sells?
http://www.moserengineering.com/diff...35-spline.html

Some pics






Last edited by LS1HIGHLIFE; 06-15-2011 at 08:45 PM.
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2001, 30, 33, 35, axles, cadillac, chevy, impala, l37, lsd, moser, spine, spline, strength, twisted

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