245/60 is a better choice, especially since the '74 is like all the rubber
bumper cars, higher on the frame. The 235 is a bit small in the
wheelwell.
The 255/60-15 is run by many as it is much more common and easier to find,
but depending on the car, can rub various spots like the front inner
fenders
and the emergency brake cable bracket on the trailing arm. In '78 when
the
255 became an optional tire, Chevrolet trimmed the front half of the
upper
portion of the front fender lip.
If you run the 255, you need to mount one and trial fit it, checking
everything at all four corners. The 245 and the 235 can both rub the
frame
on full lock turns, but almost all tires will. It is one reason they used
carriage bolts to mount the idler arm and steering box.
"J Nyrose" <jnyrose@[EMAIL PROTECTED]
> wrote in message
news:O4RNj.67621$Cj7.53407@[EMAIL PROTECTED]
> It is time for new tires on my 74 stock big block 4 spd coupe. Currently
> running 235/60 TA's, thinking of staying same just wondering if anyone
has
> any opinions or recommendations as to tire and size options. Thanks
>


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