Biggest tire I can put on factory 1968 Dart Rim

Now cue all the guys that have run bigger tires than that, because of course they know more about tires than the tire manufacturers. Can you? Of course. Should you? Not according to the people that make the tires.

I won't even bother - not worth the hassle. I've started giving my opinion on such things by PM to avoid your lengthy tirades on the subject....