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

9 inch question

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Old Jan 17, 2011 | 11:46 AM
  #1  
dellman83Z's Avatar
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From: Nowthen, MN
Car: 87 monte aerocoupe
Engine: 383 HSR w/ novi 2000
Transmission: Built 4l80e circle d converter
Axle/Gears: Currie 9" 3.89 gears
9 inch question

Well, my 12 bolt swap I was going to do swap in went to my dad for some cash and a trade for a 9" ford with a 31 spline 3.90 gear locking diff. I know I can get a torque arm adapter from currie and then try to beef it up some. This rear is out of a truck so it needs to be shortened and new axles ordered from moser. Can a diy'er like myself and my dad remover the tubes from the center piece and cut off whatever is necessary or do need to get creative and cut the ends off and reweld the tubes there.
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Old Jan 17, 2011 | 12:09 PM
  #2  
big gear head's Avatar
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Re: 9 inch question

You must use a housing fixture when narrowing a housing. The fixture lines up everything with the differential bearing bore so that everything is in a straight line through the housing. If you don't then you will probably wear the splines off of the axles or trash the axle bearings because they will bind.
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Old Jan 17, 2011 | 12:13 PM
  #3  
scamaro355's Avatar
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From: wv
Car: 92 rs
Engine: 355 stealth ram, dart heads, S480
Transmission: 4L80E
Axle/Gears: 3.42
Re: 9 inch question

Some tools you'll need http://www.cachassisworks.com/c-36-r...narrowing.aspx
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Old Jan 17, 2011 | 03:11 PM
  #4  
dellman83Z's Avatar
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Joined: Feb 2009
Posts: 323
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From: Nowthen, MN
Car: 87 monte aerocoupe
Engine: 383 HSR w/ novi 2000
Transmission: Built 4l80e circle d converter
Axle/Gears: Currie 9" 3.89 gears
Re: 9 inch question

So, pretty much not happening. Cost wise, I might as well just order a housing from moser and use the center section. Thanks for the help.
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Old Jan 17, 2011 | 04:37 PM
  #5  
Chevy86 IROC-Z's Avatar
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From: Far West
Car: 1986 Camaro Z28 IROC-Z
Engine: 350 Tuned Port Injection, for now.
Transmission: 700R4
Axle/Gears: Posi - 3.23
Re: 9 inch question

9 INCH QUESTION?? .. Thats what she said!!!!.. -

Last edited by Chevy86 IROC-Z; Jan 17, 2011 at 04:40 PM.
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