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someone help?? My odometer says i went 24 miles when i went 60 or 70!

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Old 02-13-2011, 09:49 PM
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Car: 89 Iroc z camaro
Engine: 350 TPI
Transmission: Auto
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someone help?? My odometer says i went 24 miles when i went 60 or 70!

Yep i drove at LEAST 60 miles today but my odometer says i only went 24, now heres the kicker, when i drove what i knew to be one mile, the odometer only went up one mile! the only difference is that i wasnt on the highway, but how could that change anything as far as the odometer is concerned? help??
Old 02-13-2011, 09:54 PM
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Car: 88 V6 'bird/89TBI bird/85 T/A
Engine: 2.8/TBI/TPI
Transmission: V8 T-5/700R4 x2
Axle/Gears: 3.42 open/2.73 open/ 3.27 9 bolt
Re: someone help?? My odometer says i went 24 miles when i went 60 or 70!

Watch closely when your odometer turns from "9" back to "0" because sometimes it will hang and just sort of keep skipping on "9" while you are going down the road. Mine happened because it was dirty and gummed up in the gear area of the odometer in the gauge.

I had this happen on some other cars but not a third gen.

Good luck!
Old 02-13-2011, 09:56 PM
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Car: 89 IROC
Engine: 305 TPI / ZZ4 cam
Transmission: Stage 2 700R4, LS1 driveshaft
Axle/Gears: Strange 3.42 w/ Auburn
Re: someone help?? My odometer says i went 24 miles when i went 60 or 70!

Possibly a loose speedo cable.
Old 02-13-2011, 09:57 PM
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Car: '89 Camaro Rs/ '87 Z28
Engine: 305 c.i. TBI/ 305 c.i. 4bbl
Transmission: 700r4/T5
Axle/Gears: 3.73 posi/ 3.73 posi
Re: someone help?? My odometer says i went 24 miles when i went 60 or 70!

Usually something like that happens when you change your rear axle gears but don't change the speedo gears in your tranny to compensate for the difference. Or you need to lube your speedometer cable. Hear any noise coming from the dash?
Old 02-14-2011, 01:40 AM
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Re: someone help?? My odometer says i went 24 miles when i went 60 or 70!

Does your speedometer guage bounce? When parts start getting worn out, speedo cable ect... they will work, but slip causing the guage to bounch and readings to be off.
Old 02-14-2011, 06:42 AM
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Car: Met. Silver 85 IROC/Sold
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Re: someone help?? My odometer says i went 24 miles when i went 60 or 70!

Sounds like the GM "J" hook debacle. The following is the odometer fix:

https://www.thirdgen.org/forums/faq-...-fix-pics.html

JamesC
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