As I've got the video machine churning...

I propose for you:
https://www.youtube.com/watch?v=WJPyPuJZkHU" onclick="window.open(this.href);return false;
A short video on retro fitting a Powerspark distributor to an air cooled VW engine..
in this case a 1700 CT..
Air-Cooled Bliss..

Cordialement,
