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Speedometer way off! Why?

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Old May 20, 2006 | 05:30 PM
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Default Speedometer way off! Why?
So I got the car back and it sounds good with the new pacesetter L/T and the big cam. Now however the speedometer is off by a lot. I had a chip burned but its a 93 so I didn't think that the chip would effect it. It says I am going 110 at 55 and baries it in third past 150 if your at wot. So any guesses. If the cable is burnt through it wouldn't work at all right?
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Old May 20, 2006 | 05:31 PM
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The car is a 6-speed if that makes a difference.
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Old May 20, 2006 | 06:11 PM
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What kind of tires, gears, etc do you have?
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Old May 20, 2006 | 09:29 PM
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3.42 with 17 by 9.5 but before everything it was off but by like 5mph
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Old May 20, 2006 | 09:50 PM
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Originally Posted by 93z28camaro
3.42 with 17 by 9.5 but before everything it was off but by like 5mph
WHat size tires? What gears were stock?
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Old May 20, 2006 | 11:17 PM
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i think he is saying his tires and gears have not changed since it was working normally...
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Old May 21, 2006 | 01:02 AM
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The computer has an improper calibration for the speedo....have the tuner fix it.
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Old May 21, 2006 | 12:03 PM
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Sounds like an auto instead of manual speedo calibration. Auto=40 pulses per rev manual=17 pulses per rev.
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