I own a 1973 Euro GTS what tires would most likely have been on them when new? Orig rims are 8" and 10" Arriva's? or pielli P3's?
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Pirelli P7
Pirelli P7
Rear 285/ 50/ 15
Front 225/ 50/ 25
The front ones are available in original, the rear in 40/ 15
In 1973 Arrivas.
C60V15 (205/60VR15) and H60V15 (255/60VR15).
Pirelli P7s didn't arrive on the scene until late 1977 or 1978.
FWIW, on pg 72 of the Red Owners Manual (published 6/73), it lists 185-70 x VR15" fronts or C-60x 15" belted-bias, and 215-70x VR 15" rears, or H-60x 15" belted-bias, with 225-70x VR-15" optional rears. There are no tire sizes listed in the Blue Owners Manual (5/71 publish date).