Jay,
Why didn't you just change the plastic gear that attaches to the
transmission end of your speedo cable? It costs less than $10 and only takes
a few minutes to change. That way both the speed reading and the odometer
are corrected. Your speedo can then remain calibrated to the specs on the
face. These gears come in an assortment of sizes and are color coded. I have
done this on several of my cars over the years to compensate for different
tire sizes and rear end ratios.
Dave
At 02:13 PM 11/3/95 EST, Jay Laifman wrote:
>In the discussion on adjusting speedometers for error, I realized a
>problem many of us may have. When I bought my car 17 years ago
>with 60,000 miles on the odometer, one of the first things I did
>was go out and buy some new tires, which were lower profile than stock.
>As I mentioned in another posting, I think what was stock in the '60s
>(78 profile) is not considered stock now (70-75 profile?). As a result,
>my odometer has been running too fast, for the last 60,000 miles, as my
>car now reads 120,000. On the bright side of things, my car has
>many less miles than I thought. On the other hand, twisting the needle,
>or changing the spring in the speedometer, to correct the speed registered
>does not effect the speed of the odometer or trip meter.
>
>Jay Laifman
>
>
>
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