The F70x14 Raised White Letter Tires were the standard Cuda tire. This forced the 14" plain steel wheel to be the standard wheel for Cuda 340.
Dealer brochures and early pricing guides showed the 15" Rallye wheel with E60x15" Rallye wheels as standard on Cuda 340 models but that was not correct.
15" Rallye wheels on 1970 Cudas (non-Hemi) would have E60x15 GoodyearPolyglas GT tires.
14" Rallye wheels on 1970 Cudas would have F70x14 GoodyearPolyglas GT tires.
14" Road wheels would also have F70x14 GoodyearPolyglas GT tires.
The Hemi Cuda was the only standard 15" wheel and came with F60x15" Goodyear Polyglas GT tires.
As noted by XCudame, the AAR Cudas had staggered fitment with E60x15" front and G60x15" rear Goodyear Polyglas GT tires.