On Mon, Oct 27, 2014 at 2:59 PM, Dean Tetterton <tr3a58 at verizon.net> wrote: > On the face of the TR speedometer's under the miles numbers, there > is a small number printed. On the TR6 it is usually 1120. Is this the > number of revolutions per mile the cable makes? Yes. As for the number that goes with the other rear ends -- 'do the math' as they say.