In the days of the wooden boilers,the clever clogs at this time decided that
there were 360 days in a year,so the world was devided into 360 days or
degrees,and this method is still in use today for measuring or dividing
circles.just think of a clock face,it is divided into 60 minutes, so
360/60=6 that is each minute is equal to 6 degrees. tdc is marked on the
pully so set ignition to 2 minutes to twelve, final adjustment on the road
test.

.. .



.... .




--