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

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Old Jul 28, 2011 | 10:02 AM
  #1  
wolfy692005's Avatar
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Joined: Jul 2011
Posts: 26
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From: waxahachie, TX
Car: 82 z28 pace car
Engine: 383 in the works
Transmission: on the fence
Axle/Gears: 3.23 posi rear disk
narrowed

have any of you guys narrowed and tubed the rear end? i am concered about the 10bolt. in the future the long term plan is street car with trips
to the track often.. 600HP BBC auto tranny, jury is still out on which one with 3.73 gears. i dont want to brake an axle..
i heard 12 bolts dont fit unless you buy one set up aftermarket..
i would like to see some pics of the underside of some stock, modified and narrowed set ups..]thanks guys
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Old Jul 28, 2011 | 10:41 AM
  #2  
BlackenedBird's Avatar
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Joined: Mar 2011
Posts: 2,893
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From: Central Texas
Car: GTA
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: Aussie 9-bolt/3.27 posi
Re: narrowed

The 10-bolt is marginal behind even a stock 3rd gen SBC. Be lucky to get it to survive 1 single launch behind a 660hp BBC.

Do it once, do it tight & order you an aftermarket (like one from Moser) 9" or 12-bolt already setup for a 3rd gen.
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