Originally Posted By 6bblgt
iagree
for '69 a-body 70 series tires
polyester cord = Firestone
fiberglass-belted = Goodyear

I don't think Firestone had a fiberglass 60 or 70 series tire available as OE for any manufacturer until the '70 model year

the 70 series tires had a stripe from 5/16" to 3/8"

My new 1969 383 Road Runner that I bought in Sept of 1969 came with fiberglass belted Firestone Wide Oval red streaks. Lasted about 3,000 miles if I remember right! The buildsheet for my 69 340S Fastback Barracuda that I just finished restoring calls out the T75 Goodyear Polyglas E70x14 redlines. Only cost me $258/each for the repros!! I don’t know why anyone would order whitewalls on a musclecar back then??

Last edited by RoadRunnerJD; 08/29/18 01:15 AM.