The '67-'69 Z-28s & '67-'68 Shelbys used various E70-15s.

from kelseytire.com

Quote:

E70/15 – Speedway Wide Tread RWL

Specifically designed and only fitted to the 1968 and 1969 Z28 Camaro. Goodyear answered the call from GM to develop the appropriate tire for this high performance platform. Talk about a Z-handler, this Goodyear Speedway Wide Tread GT did the job.




Here's the "norm" for '68-'69 Z-28 * non-fiberglass belted.

7382509-DSC08063.JPG (268 downloads)