The good thing (one of...) (and I'm speaking about 1980...31 years ago..) was that, at that time, you can have a single pack of ni-cads and you dont' have had to feel the "poor" guy of the circle...
Associated standard charger was a cheap resistive wire, which was feeding some Sanyo or General Electrics 1.2V 1200mah...
And you've to manage 8 long minutes with motors with 30 turns...
Bodies were way more similar to real cars.
In the meam time:
I'm after a Porsche 956/962 from Parma (or Bolink)...