Tire sizes on stock rallye wheels.
So I assume this is why you see tires for sale that are worn down everywhere but the middle of the tread? Makes sense!
Worn down everywhere but the middle is under-inflation. Bad maintenance basically.
Too wide of a tire on too narrow of a rim would cause the middle to wear out but not the shoulders. Because the tire is too wide for the rim the tread patch will end up more round, the rim is forcing it up in the middle by putting the sidewalls too close together. Unless you also compensate by running less tire pressure. But there's only so much you can compensate for with the pressure, it will cause premature wear and poor handling. Lowering the pressure allows the tread to sit flatter, but the sidewalls will bulge out more and the handling gets worse. You'd be better off with a narrower tire that fits the rim, it will leave the tread patch flat, the sidewall shape as designed and you get the tread on the ground like it's supposed to be and maximize your traction.
All that running the wider tire does is let you go on the internet and say you run a wider tire. A 245 won't perform the same on a 5.5" rim as it will on a 7" rim.
It would be one thing if you were talking about say, running a tire recommended for a 6" tire on a 5.5". Still not "right", but close enough that most will never notice. A tire that's supposed to be on a 7" rim on a 5.5" is a whole different ball game.
‘69 Dart Swinger
B.F.G. Radial T/A’s
215/70/14 front
245/60/14 rear
5.5” Rallye wheels
25 years on 3 different sets of tires.
no rubbing or any other problems other than raised brown letters on the 245/60/14’s
How many miles? How do you use and drive the car?
And sorry, but why do
you know better than the people that design the tire? Getting away with it doesn't mean a thing.
