Thread: Tachometer reading too fast
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Old 06-19-2011, 12:15 PM
NAPA 68 NAPA 68 is offline
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Default Tachometer reading too fast
I have a SW vintage mechanical tach that I had retrofitted by Classic Insturments. The unit is about 4 1/2 years old. All of a sudden, it is now reading about 1000 RPM higher and reads higher throught the RPM sweep. Nothing has changed and the car still runs fine. Any ideas before I send the unit back to Classic Insturments?

Thanks,
Tim
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