I have 245/60/R15's on my GT-37 right now. I believe I could fit a 255/60/R15 tire on it because I still have plenty of room. They still don't have a problem lighting up.
Click on the photo to see the video of these tires going up in smoke.
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1971 Pontiac GT-37
Car is a junk yard dog and maybe one day will be restored.
