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

differentail help.

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Old Dec 31, 2012 | 11:46 PM
  #1  
COTY'S IROC-Z's Avatar
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From: HURLEY, VA
Car: IROC-Z
Engine: 350 VORTEC
Transmission: T-56
Axle/Gears: 4.10
differentail help.

10 bolt 7.5 i am puting 4.10 gear in what shims should i start with?
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Old Jan 1, 2013 | 12:06 AM
  #2  
AlkyIROC's Avatar
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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
Re: differentail help.

The ones that are currently in the diff and behind the pinion gear.

Unless you have a test pinion bearing modified to slide on and off without a press, you'll never "guess" at what shims to start with. Once you press the bearing on, you're not going to get it off to change the shims without destroying it.
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Old Jan 1, 2013 | 03:41 AM
  #3  
COTY'S IROC-Z's Avatar
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From: HURLEY, VA
Car: IROC-Z
Engine: 350 VORTEC
Transmission: T-56
Axle/Gears: 4.10
Re: differentail help.

can i use the carrier shims for pinion shims?
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Old Jan 1, 2013 | 09:15 AM
  #4  
big gear head's Avatar
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Re: differentail help.

No. When you ordered the gears you should have also ordered a good installation kit. It would have made the job much easier. If you have a press with a bearing seperator you can press the pinion bearing off and on without damaging it. There is a good thread on this sight that covers gear set up with a lot of pictures. Check the 10 bolt sticky and see if there is a link there.
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Old Jan 1, 2013 | 10:24 AM
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TTOP350's Avatar
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From: Il
Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: differentail help.

I hope your not going to run a sticky tire with the 4.10s.
They tend to break the pinion teeth off easy..

Last edited by TTOP350; Jan 1, 2013 at 10:30 AM.
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Old Jan 1, 2013 | 04:00 PM
  #6  
COTY'S IROC-Z's Avatar
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Posts: 110
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From: HURLEY, VA
Car: IROC-Z
Engine: 350 VORTEC
Transmission: T-56
Axle/Gears: 4.10
Re: differentail help.

ive broke 9 410 gears but this is the frist one ive set up my self lol
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