which has bigger contact area?

What BFG tire wrinkles? Remember, I'm old.
None that I know off but I’ve been out of the game a long time raising children.

Hummmm, ‘85? Around here? Hard to remember. Late ‘70’s and early ‘80’s were gooooooood... LOL! There was the McCleary in the streets, M&H or Hoosiers at the tracks. For us light weight not so fast guys at least.