Transmissions and Drivetrain Need help with your trans? Problems with your axle?

Currie 9" or Moser 9"

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Old Aug 22, 2006 | 11:30 AM
  #1  
Iroc Adio's Avatar
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From: New Bedford, Ma
Car: 1987 IROC
Engine: Destroked 377
Transmission: TH-400
Axle/Gears: 9inch with 3.70's
Currie 9" or Moser 9"

This winter Im going to put in a new rear end. Im debating on going with the Currie 9" or the Moser 9". Is anyone working with either of those? If so let me know. Thanks.
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Old Aug 22, 2006 | 11:39 AM
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I personally don't like dealing with Moser. Had a couple of bad dealings with them and one of their rearends for my buddies 4th gen howled like a school bus,,,so I stay away from them.
Always heard good things about Currie but never dealt with them. My father deals with Strange and likes there products much better, he had a bad experience with Moser as well. I have learned to avoid it all together and started building my own rearends years ago. Larry.
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Old Aug 22, 2006 | 08:11 PM
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Iroc Adio's Avatar
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From: New Bedford, Ma
Car: 1987 IROC
Engine: Destroked 377
Transmission: TH-400
Axle/Gears: 9inch with 3.70's
Yea i was looking at the strange rear ends at Spohn.Net. I might go with the currie setup. currie sells a disc brake kit for the rear to.
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Old Aug 22, 2006 | 08:29 PM
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
I'd love a Moser aluminum bolt through housing. They're only $400-$500 on Ebay.

The Strange aluminum housings are only $325
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Old Aug 22, 2006 | 09:35 PM
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From: Northern CA.
Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
I like my Currie 9". Bolted right in and uses factory style brackets.
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Old Aug 22, 2006 | 10:31 PM
  #6  
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
OK, I guess I should have said center section instead of housing. I don't need the whole axle tube assembly. I just want an aluminum center section. The cast iron one is very heavy.
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Old Aug 23, 2006 | 12:55 AM
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From: Northern CA.
Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
hehe I'd like one too, that center section was a pain to lift in even with a floor jack.
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Old Aug 23, 2006 | 05:35 AM
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I agree 100% with evilcartman, the brackets that both Currie and Strange use are factory style brackets and look much nicer, and they also have small details like the metal tabs on the axle tubes that hold the brake lines and moser does not.

On the moser rearends all the brackets are hand fabricated and look a little hokey. Also Moser cast all of their own center sections and a buddy of mine questions the quality,,,,

Currie and Strange use a different supplier to cast their center sections and we feel it's a much nicer piece.

Those are just some of the small details. Larry.
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Old Aug 23, 2006 | 05:39 AM
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sorry I should explain after I re-read that, when I said moser cast their own center secion I was referring to the 12 bolt housings, strange and currie have someone else cast their 12 bolt housings for them and it's a much nicer piece. Larry.
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Old Aug 23, 2006 | 10:35 AM
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Iroc Adio's Avatar
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From: New Bedford, Ma
Car: 1987 IROC
Engine: Destroked 377
Transmission: TH-400
Axle/Gears: 9inch with 3.70's
that sounds good. i think im gonna go with a 9". what do you think is more durable? a Currie 9" or a Strange 12 Bolt?
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Old Aug 23, 2006 | 03:11 PM
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Well there are pro's and con's to both. It comes down to personal preference really.

I run chevrolet 12 bolts in 2 of my cars and a 9 inch ford in 2 other cars.
I like both. I went with a 9 inch in my monza because it was easier to attatch a torque arm to. Strange wanted $900 for a bare 12 bolt housing for a torque arm suspension, and I already had a 9 inch laying in the floor for years I was tired of tripping on so it became the more logical choice. I just picked up the torque arm bracket from Currie, (moser won't sell you one,,,) My 2 cars with 12 bolts, well they came from the factory with 12 bolts so thats a no brainer, and I have rebuilt them with stronger parts to live under some decent power.

It depends on what you want to do with the car, 9 inch rears have a drop out pumpkin so gear changes are much easier, but if it's a street car with occasional strip use and you know what gear you are sticking with then that really isn't an issue. I personally like the idea of a 12 bolt under a 3rd or 4th gen, just looks neat under there and it's the way GM should have built the cars in the first place. 12 bolts take less power to turn than a 9 inch but the difference is marginal. It's really up to you. Larry.
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Old Aug 23, 2006 | 05:57 PM
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Iroc Adio's Avatar
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From: New Bedford, Ma
Car: 1987 IROC
Engine: Destroked 377
Transmission: TH-400
Axle/Gears: 9inch with 3.70's
Yea I see where your coming from. I also like the look of 12 bolts.(being able to see the cover.) I want a rear that will hold a lot of power. My motor right now should have about 490 at the flywheel. I dont know how much i lose from the drivetrain. I plan on putting a bigger motor later on and i dont want to have to upgrade and a rear as well
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Old Sep 14, 2006 | 02:04 PM
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From: Calgary, Alberta
Car: 1988 Trans Am
Engine: 383 carbed sb
Transmission: th350
Would a currie TA bracket fit a moser 9"?

Thanks.
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Old Sep 14, 2006 | 09:19 PM
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From: Tiffin OHIO
Car: 1987 Iroc-z Convertible
how long is the stock rear I wanna build a 9" too
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