Converting to a decent electronic ignition system is one of the best thing you can do for a X flow, in my view.
I fitted a Lumenition years ago and have had no issues with it.
Ignition prices are ridiculously cheap on these cars, it is worth replacing plug leads and caps if they look slightly tired.
Once the carb is set and in a good condition, you are only left with the occasional oil change to worry about.
