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Old 01-16-2015, 05:33 PM   #1
hdff
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Join Date: Apr 2007
Location: pasadena,TEXAS
Posts: 880
Need help with speedo gear after rear end gear change

Can somebody help me with changing the gear on the speedo cable at the Transmission after a rear end gear change. The truck as a 700r4 and I had a 3.07 rear end and this weekend I had it swapped to a 3.73posi and my speedometer is now about 10 miles an hour off.what is the best way to figure out what gear I need to change to on the transmission
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1971 Cheyenne SWB 402BB, 700R4, 3.73 posi, PS, PB, A/C, Tilt, Tach
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