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Old 09-18-2001, 05:34 PM   #1
apk
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Join Date: Sep 2001
Location: Baltimore MD USA
Posts: 3
Red face rear end ratio

I recently changed the rear in my 99 Cobra from the stock 3.27 to a 3.73 ratio. How do I recalibrate the speedometer. The mechanic said the speedo uses a magnetic pickup and not a toothed gear at the transmission. Reprogram the computer???
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