Biggest tire on Stock 67-69 Dart

I had 275/60s on my dart BFG drag radial. Its super tight and required a custom wheel by Bogart. I had a 1/4 inch on either side with the lip rolled flat. When it was at stock height it only rubbed with 2 250# guys in it and an extreme driveway turn. And even then it only rubbed the inside wheel tub which didnt damage the tire at all. I also ran M/T ET streets on it 28x11.5. Unfortunately I do have any good digital pics of it sitting still.