Vintage Mustang Forums - View Single Post - 255/50/16 RA1s on a 8" wide rim
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post #7 of (permalink) Old 04-20-2019, 10:27 PM Thread Starter
Senior Member
Join Date: May 2005
Location: Charlotte NC
Posts: 1,630
I have seen a similar formula that says .85 to 1.00 of tread width...
So using that formula, 245 is the widest you can run on an 8 inch without Ill effects.

1969 coupe
372 Cleveland, 4 speed, 9" T.50 Trac Lock axle, Toploader, Global west suspension, Big Lincoln Trans Am Brakes front, Eldorado caliper/ MK VII disk rear.
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