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

speedometer calibration

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Old Jan 8, 2014 | 05:19 PM
  #1  
Ryan N Paula's Avatar
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Joined: Aug 2013
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From: Fayetteville, NC
Car: 1984 z28 h.o
Engine: 305 h.o
Transmission: stock 5 speed
Axle/Gears: stock
speedometer calibration

hey gents, just wondering how to calibrate my speedo. the car is 100% original. i dont need new gears or anything i just need to know how to adjust the needle correctly. right now its about 10mph slow but it sits at zero when im stopped.
any help would be great
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Old Jan 8, 2014 | 05:54 PM
  #2  
sofakingdom's Avatar
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Car: Yes
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Axle/Gears: Behind me somewhere
Re: speedometer calibration

10 mph slow, at what speed?
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Old Jan 8, 2014 | 06:17 PM
  #3  
zenish's Avatar
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Joined: Dec 2000
Posts: 1,271
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From: stallings,n.c.
Car: 1989 camaro rs convertable
Engine: 305 tbi
Transmission: 700r4
Axle/Gears: 7.5"3.42 gears forth gen 2000 camar
Re: speedometer calibration

Originally Posted by Ryan N Paula
hey gents, just wondering how to calibrate my speedo. the car is 100% original. i dont need new gears or anything i just need to know how to adjust the needle correctly. right now its about 10mph slow but it sits at zero when im stopped.
any help would be great
i had this same car.on mine the the needle on the kph side fell off and caused the speedo to read low.i glued it back on.
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Old Jan 8, 2014 | 06:23 PM
  #4  
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
Re: speedometer calibration

The following link includes the usual issues:

https://www.thirdgen.org/forums/inte...eedo-woes.html

JamesC
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Old Jan 8, 2014 | 07:15 PM
  #5  
Ryan N Paula's Avatar
Thread Starter
Junior Member
 
Joined: Aug 2013
Posts: 7
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From: Fayetteville, NC
Car: 1984 z28 h.o
Engine: 305 h.o
Transmission: stock 5 speed
Axle/Gears: stock
Re: speedometer calibration

i am missing the kph arrow, any idea how much it weighs?
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Old Jan 9, 2014 | 05:56 AM
  #6  
Ryan N Paula's Avatar
Thread Starter
Junior Member
 
Joined: Aug 2013
Posts: 7
Likes: 0
From: Fayetteville, NC
Car: 1984 z28 h.o
Engine: 305 h.o
Transmission: stock 5 speed
Axle/Gears: stock
Re: speedometer calibration

Originally Posted by sofakingdom
10 mph slow, at what speed?
around 30-35mph
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