[DWRAT]

Originally Posted by Car Nut

No No, not in 1966, the size would be equal to a 2.25-70-15 and that would be a bias ply Bucko.

Oh sorry, I looked it up 185 and the front and 195 on the back, ummmm, skinny. 1966 Shelby Cobra 427 S/C Specifications - Auto Specifications

My car could be fun with those tires, may look a bit funny though.