Closeup of timing hole and peg.

I used a plastic wedge to keep the board positioned for a +3.5 to +4 degree advance. This adjustment gave almost equal performance in both CW and CCW rotation, although CW rotation was still slightly faster.

2009/02/17 16:47:13

Exposure mode: program (auto)
Metering Mode: matrix
Exposure time: 0.040 s (1/25)
Aperture: f/2.8
Focal length: 8.0mm (35mm equivalent: 37mm)
ISO: 800
Flash: No
File size: 1804789 bytes
Camera maker: FUJIFILM
Camera model: FinePix F10
Resolution: 2848 x 1894