My memory is that they’d struggle with modern ABS braking, fuel injection, acceleration, and extended 70mph driving.
Capable of 70+ on motorways for sure, just not confident how comfy or reliable they be for a longer trip.
As I said nobody would buy one to use on long motorway trips now (or long trips of any sort, probably). My point was just that they would be perfectly driveable in normal modern traffic, unlike (say) many inter-war cars. Or arguably some modern vehicles


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