If you're handy at a little machining you could look at combining the bluebird elec dizzy with the a series's points shafts and then recurving

I'd definitely recommend it to anyone that hasn't had theirs done.
Improves the whole motor response/power across the rev range.

Good luck with it !! Fantastic to see people who still know how the 'old stuff' works and actually want to keep on using it and improving it. Instead of chucking it for newer out of period gear