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

91 10 Bolt?

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Old Mar 13, 2003 | 08:30 PM
  #1  
slow91z28's Avatar
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From: colorado springs, colorado
91 10 Bolt?

I am trying to get a mini spool for a 91 z-28 with disc brakes and as far as i know a stock rear end. My question is where can i get one, what size is my ring gear diamater, and do I have 26 or 28 spline axles? I know that some people don't suggest a mini spool for the street but i'm gonna try it for now. Thanks.
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Old Mar 13, 2003 | 09:35 PM
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89 Iroc Z's Avatar
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From: Costal Alabama
Car: 1989 Iroc-Z
Engine: 350, ZZ4 equivalent
Transmission: Pro-Built Road Race 700R4
Axle/Gears: 3.23 Dana 44
you have 7.5 inch ring gear and 28 spline axles
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Old Mar 14, 2003 | 02:29 PM
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slow91z28's Avatar
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From: colorado springs, colorado
Ok Thanks.
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Old Mar 16, 2003 | 04:19 AM
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ebmiller88's Avatar
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From: Fort Mill, SC, USA
Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
Unless I'm out to lunch, doesn't the spool just fit into your open differential? If I'm right, you don't need to switch the carrier out.

????

Ed
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Old Mar 16, 2003 | 10:34 AM
  #5  
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
A full spool does but nobody makes a full spool for a 7.5" diff. They do make mini spools though.
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Old Mar 16, 2003 | 12:11 PM
  #6  
slow91z28's Avatar
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From: colorado springs, colorado
Who makes a mini spool for my rearend, because all I can find is for axles that are 26 spline.
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Old Mar 24, 2003 | 08:20 AM
  #7  
11SEC91Z's Avatar
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From: Richmond,Va
Car: 91 Z/28
Engine: 6.3 L98
Transmission: TH350 4500 STALL
Axle/Gears: 3.73s
Correct..For some reason no body makes a minispool for a 7.5 with 28 spline axles..but they do for 26 spline?Why this is..Got me......
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