[V8] Tire Size (s) and Speedometer Calibration(s)

[Etdmail at cs.com]

 Hi All .. 

 Just a thought or two here ..

 Before buying any specific tire .. 
 In any given size or type, from any manufacturer.

 You might want to directly measure the tire from
 each manufacturer and compare it with the others.

 For example:

 I have directly measured the rolling circumference from 
 several different manufacturers, of the exact same size tire. 

 And found there is often a 10% variation here!
 Same can hold true for the respective cross sections.

 All being thrown into the mix, of compromises, for tire selection(s).

 eg: taller tires  .. Higher speed readings, lower cruise RPM's, 
                            Better torque use, worse breaking leverages, 
                            more rubbery handling but better ride, etc.

 HTH
 
 Best,
 Ed
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