Thread: Speedo help
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Old 11-30-2008, 09:19 PM   #4
1984 swb chevy
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Location: New Jersey
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Re: Speedo help

Not all speedos are accurate. How are you checking your speedo to know that you are 5 mph slow. I know with motorcycles they can be off up to 3 of 4 mph and still fall into spec. I'm sure cars and trucks would be the same. Did you change tire size?.
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