[Shop-talk] Tire size/capability question

[Peter Murray]

In cleaning out the garage/shop of my recently-deceased father-in-law, i
ran across two pairs of P215/70/R15 tires. They're bagged and unmounted,
and appear to be in similar and reasonable shape (about 50% tread
remaining).

He also had a 1969 Ford F100 pickup that has been sitting for a while. The
tires are pretty beat and one will not hold air. They're 235/75/R15. I got
it running while I was out there last week, but with the one rear flat, it
was tough to evaluate it much. Electrically it appeared solid. I drove it
about 100 feet, so the clutch, first and reverse all worked fine.

I realize they're not quite the same size, but I wonder if I couldn't
replace the tires currently on the truck with the four unmounted tires. I
realize they're slightly different in width and circumference, but they're
pretty doggone close. This isn't going to be used as a hauler. More likely
my mother-in-law will sell it (sigh), and I figure that having four decent
and inflated tires gives a better negotiating position than requiring a
buyer to tow his purchase away...

Aside from aesthetics and (slightly) incorrect speedo/odometer, what Bad
things could potentially come from putting these tires on the truck?

Yes, i would probably try to keep it, were it not 2000 miles away (its in
western Colorado, I'm in northern Virginia) and my 3 young children and my
self-employment keeping me busy enough.

Thanks for all your sage wisdom!

-Peter
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