1965 Formula S specs - mine
8 3/4 was a mid year change for the 4sp cars. Documented somewhere here. 7.25 was a sure grip too, and not too bad strength wise. Welcome to the NN Barracuda silver Poly club!
8 3/4 was a mid year change for the 4sp cars. Documented somewhere here. 7.25 was a sure grip too, and not too bad strength wise. Welcome to the NN Barracuda silver Poly club!
