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

Speedometer Off after 3.73 diff swap?

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Old Oct 26, 2006 | 10:16 PM
  #1  
drivera's Avatar
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From: Sac, CA
Car: Chevy IROC - Z 86'
Engine: 5.7 TPI
Transmission: 700R4
Axle/Gears: 3.73
Speedometer Off after 3.73 diff swap?

I just swaped my 2.73 rear end for a 3.73 and my speedometer is off. I was wondering what ways this can be fixed.
Thanks
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Old Oct 27, 2006 | 05:52 AM
  #2  
JamesC's Avatar
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From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
You'll need to swap the drive/driven gears in the transmission. A search will provoide a ton of info.

JamesC
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Old Oct 27, 2006 | 11:32 PM
  #3  
drivera's Avatar
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Joined: Jun 2006
Posts: 31
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From: Sac, CA
Car: Chevy IROC - Z 86'
Engine: 5.7 TPI
Transmission: 700R4
Axle/Gears: 3.73
Is there a specific site that might help me?
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Old Oct 28, 2006 | 05:12 AM
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JamesC's Avatar
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25 Year Member
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Joined: Aug 1999
Posts: 19,282
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From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Originally Posted by drivera
Is there a specific site that might help me?
This one .

JamesC
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