Datum for VW 1302 Super Beetle

In order to assume the correct ignition timing on the outer surface of crank pulley in VW 1302 Super Beetle, initial position of BTDC must be marked precisely, because the point is the terminal standard position to rely on for the later adjustment dependent on 175mm diameter pulley.

zero to 11,5mm=7,5 degree/850rpm idling rotation

zero to 46,0mm=30 degree/3,000rpm maximum rotation

The obtained datum on the size of generator bearings.

35-15-11 outer-inner-axial thickness

The capacitance of that on distributor for ignition coil.

0,22-0,33 micro farad