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Old 10-31-2014, 09:16 PM   #1
Tkmadone
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Join Date: Aug 2009
Location: Simi Valley, CA
Posts: 193
Speedometer adjustment

I have checked the odometer and it is very accurate, but the speed is off about 10% at 65 mph. So it shows 60 but I'm actually doing 66.

So I know I don't need to change the gears in the transmission but is it possible to calibrate just the speed?

This is in a 1967 C20 2wd.

Thanks!
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