20 mph? If you shifted at 10 or 15 mph then I'd bet a Coke that you would reach the 2-3 shift point in less distance and time than running up to 20 mph. And you'd get better mileage and less wear. Think of 1st as being a walking gear: get going faster than a fast walk and it's time to shift.

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daBenz - 1970 220D