Less wood burning hotter gives much better smoke, but will require more frequent refuels. Try lump charcoal with just a couple of lumps of wood instead.
I've always converted my points cars to 12V coils. No idea if one is better than the other, but modern coils can pack a lot more punch than they used to.
It's a scavenging pump, not a supply pump. The turbo is still fed by the engine oil pressure. If the pump fails you'll just have oil falling out the exhaust.
We often have trucks in with many lights, as long as they're on their own switches to disconnect them from the highbeam/light circuit we ignore them at wof time.
Can't remember the date but yup, if they weren't fitted from factory they don't need them.
If however the car is being re-registered, you'll need to fit them.
The flasher circuit will be it's own little thing where it just charges and switches, trying to measure it adds more load which messes up it's charge time. IE it's just a dumb analogue flasher with no set frequency.