Not to take anything away from these guys but tire development has come along way from how it used to be. Also Flip that passed away made the traction compound that they use to heat and treat their tires before they race.

1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time