1969 RS23 tires are 69.8% RED VS. 30.2% WHITE

T83 - F70-14 "red" (Goodyear or Firestone) - STANDARD - 60.4%
T85 - F70-14 "red" GOODYEAR POLYGLAS - 8.3%
U65 - F70-15 "red" GOODYEAR POLYGLAS - 1.1%

T82 - F70-14 "white" (Goodyear or Firestone*) * has anyone seen original "white" Firestones?? - 29.6%
U64 - F70-15 "white" GOODYEAR POLYGLAS - 0.6%