Follow up I came across this on another forum from another Dart owner.
I’ve had a dynamator fitted to the Dart, apart from needing to turn the alternator within the casing to avoid fouling the oil filler (Dart specific), it works well. One point tho’, you need a smaller pulley on it to make the alternator run at a higher speed.
Apparently they have Bosch innards with a Chinese casing:-
The author followed up with this comment.
No it doesn’t work well, it’s just burnt out my Pertronix electronic ignition, apparently the power they put out has horrible spikes, due to being a Chinese copy and cheap.
Martin, the Distributor Doctor diagnoses an auto electrician and a couple of extra diodes, but knows this well.
Link: https://www.pistonheads.com/gassing/topic.asp?h=0&f=140&t=1489818
