Saving Old Seagulls

Good news, the motor is now running. I put the old ignition coil in and it fired up without any problem. I thought the old coil was duff but it has enough zap to run. I ran it in a barrel with the propellor removed. Sorry the pic is inverted, but if you click on it then it shows the right way up. IM...

I’ve rebuilt a 1966 Century Plus and am having trouble getting it to spark. I will give some relevant info and then ask some questions. The old ignition coil (Villiers M1634E) was shorted internally, so I replaced it with an M1361 which seems to be a given substitution if you make up some spacers to...