Speedometer
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Joined: Jul 2006
Posts: 178
Speedometer
I'm in the process of changing my open rear 2:41 axle to a 3:73 posi on my 76 Cutlass. The new axle will be an 8.5 10 bolt also. Anyway my speedometer will be way off, right? Is there a conversion chart or formula that I can use to correct it with regards to the speedometer gears/hardware? Thanks. Tom.
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Joined: Oct 2004
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From: Southern CA
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