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Old 01-31-2009, 12:56 PM   #1
silvereagle07
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Join Date: Sep 2008
Location: Bailey, NC
Posts: 2,462
Speedo calibration question...need help!

I'm posting this to help a co-worker. He has a mid 80's s-10 he has put a v8 in. He is trying to get the speedo to work correctly. It has a th350, 3.23 gears , 26 in tall tires, drive gear has 7 teeth and the new driven gear has 22 teeth (gray). The speedo is still 10-12 mph fast. What does he need to do to correct the problem?
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