Gears & Axles Driveshafts | Rearends | Differentials | Gears | 12 Bolt | 9 Inch | Dana
View Poll Results: Happy or disappointed with your new 12-bolt?
Moser: works great!
101
44.69%
Moser: broke, leaked, or too noisy
51
22.57%
Strange: works great!
53
23.45%
Strange: broke, leaked, or too noisy
21
9.29%
Voters: 226. You may not vote on this poll

Happy with your new 12-bolt or not?

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Old 08-01-2005, 08:06 PM
  #21  
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Moser 12 bolts here (posi, 3,73's, 33 spline).

My rear end was totally silent when new. The guys at the shop opened it and said that the original setting by Moser was correct. Now, after 6000 miles, I have a slight whining between 40 and 50 mph, but nothing serious (my 10 bolts was ten times louder than that). Went to the track 3 weeks ago and made 24 passes in the high 12's with a best of 12.665@116.3 and a 60ft of 1.906 (BFG drag radials). The rear end sounds exactly the same than it sounded before the track. Everything is still holding strong.

Overall I'm happy with my 12 bolts.
Old 08-01-2005, 09:24 PM
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That's good to hear. Keep in mind too, that 3.73's are a much quieter set up on the average...
Old 08-01-2005, 11:16 PM
  #23  
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Well said Ric.. I'm gonna do the same when I order up my 12 bolt. It'll be nice to pound on the car and not have to cringe wondering when the next shift makes it go boom in the driveline. Probably throw a 3.5" aluminum or a good steel shaft in it at that point too.
Old 08-02-2005, 10:15 AM
  #24  
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1ScrudeDude... you said 3.73's are quieter... than what? Any of the other ratios? Or better than 4.10s? Many of us are wondering if the noise issues might be related to specific gearsets (manufacturer X/ratio Y).

I'm dissappointed that so far the poll shows the exact frickin' thing for both Strange and Moser. Hopefully as the number of responses increases there will be more of a consensus...
Old 08-02-2005, 11:15 AM
  #25  
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Very happy with my Strange overall. It does sing a bit on decel but not unbearable. I called Strange and talked to one of their engineers who said that they typically setup their gears to be run agressively so some noise is normal. Strange builds a high quality piece!
Old 08-02-2005, 01:38 PM
  #26  
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Originally Posted by RW99
1ScrudeDude... you said 3.73's are quieter... than what? Any of the other ratios? Or better than 4.10s? Many of us are wondering if the noise issues might be related to specific gearsets (manufacturer X/ratio Y).

I'm dissappointed that so far the poll shows the exact frickin' thing for both Strange and Moser. Hopefully as the number of responses increases there will be more of a consensus...
The 4.10 is widely known to be a "noisy" gear. Anything less will be proportionally quieter.

That is the trend anyway...
Old 08-02-2005, 07:38 PM
  #27  
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Originally Posted by BGImportkiller
I only ran 8 times with the new rear, but still quiet as ever.

Mine was set up by strange(backing plateswere sent to them). No howls even with 6400rpm dumps.
Old 08-03-2005, 06:14 PM
  #28  
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Originally Posted by 1ScrudeDude
My Strange howls after hitting the strip.

I'd be interested to know if you Strange owners with quiet rears raced your cars hard...
Mine started making a little noise on decel after visiting the track a few times but nothing offensive.
16K miles on it now.
Old 08-04-2005, 11:30 PM
  #29  
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I have about 10k miles on mine (Moser 12 bolt) and love it. It is about as loud as my 10bolt was. Several track passes as well.
Old 08-09-2005, 10:54 PM
  #30  
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My strange 12 bolt with 4.11 gears make a little bit of noise but if it can hold my 5k clutch dumps, then I can live with it!
Old 08-10-2005, 12:13 AM
  #31  
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I have a moser 12-bolt with 3.73, this baby is a singer, but still happy with it,
Old 08-10-2005, 03:20 AM
  #32  
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i was lookin to get a 12 bolt around november or so put in my car.... is tuning required?

price?

install price?

best place to buy?

thanks a lot guys

steve
Old 08-11-2005, 07:04 AM
  #33  
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Richmond gears use to be put in at Moser as the standard gearset, and they had a habit of being noisy. I use to request that US Gears be installed when I placed my Moser orders, as they are quieter and are still a strong gearset. Moser has recently switched over to using the US Gears as their main gearset, so I imagine you will hear less problems about loud gears.
I sell one to four Moser 12 bolts each week, and I hear of very few problems. Bob
Old 08-14-2005, 08:49 PM
  #34  
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Moser 12 bolt, Direct bolt-in no problems luv the 3.73's w/A4 shifts out of 3rd @112mph w/ the 373's w/ the 3.23's 131mph
Old 10-01-2005, 07:59 PM
  #35  
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I have a 12 bolt Moser going in on Tuesday. I will let you all know how well it goes.
12 Bolt, 33 spline, 3.73 gears, 4 channel ABS, so I can keep my ABS and TCS
Old 10-01-2005, 08:45 PM
  #36  
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i'm happy with my Moser.... it might be loud, but I can't hear it over the exhaust... only problem i've had so far is the crome differential cover coming loose and leaking diff fluid... but that was a very easy fix. so no complaints here...
Old 10-01-2005, 11:27 PM
  #37  
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See my post from tonight~ my 12 bolt broke today!!

https://ls1tech.com/forums/gears-axles/388856-broken-abs-ring-my-12-bolt.html
Old 10-02-2005, 08:22 AM
  #38  
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Luckily you were close to home! That is too bad that you had a problem such as that! Bob
Old 10-02-2005, 10:14 AM
  #39  
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Originally Posted by Exotic Performance Plus
Luckily you were close to home! That is too bad that you had a problem such as that! Bob
Yeah, well it's too bad it was assembled new at Moser like this.

**the only way someone will be able to know this is by checking it when it's out. We've changed the fluid and it's appeared to be fine so it's not like we don't service my car, we do.
Old 10-02-2005, 10:16 AM
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Thumbs down

New Strange 12 bolt. Broken in gently, no track runs yet. Has always whined at highway speeds, and is getting louder. ABS, ASR, and cruise control have not worked properly ever since the 12 bolt was installed. I am not happy.


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