The speedo difference is no big deal, who really cares if your speed is dead on anyway. When you see a cop, your always on your best behavior anyway, and hoping to God, when you turn left, he turns right! I grew up in a time when speedos didn't work at all most of the time, and did like I did in my brother in law's Austin Healy3000, and take the Rpm and double it, 3,000 rpm equals 60mph. He kept that car for all the 60's, through 71, I think. Great car, I wish I had it myself today.
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