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It is not recommended to use different size tires on a vehicle at the same time.It is not recommended to use different size tires on a vehicle at the same time.
First off you should not install tires that are not the correct size. But if you do, make sure the tires on each axle are both the same size. Both front tires same size, and both rear tires same size.
By ratio if you mean size, the answer is no unless the car comes from the factory with a different size rear tires than front tires like some sports cars. In that case you would have 2 tires the same size on the front and 2 tires another size on the rear. You should never ever run 2 different size tires on the same axle. Therefore you would never have a situation where you would have 3 tires one size and then 1 tire another size.
yes
whats the circumferences of r=8
No, not less one of the tires is out of balance. But it is never, ever, a good idea to have two different size tires on the same axle. This is a big no-no.
Yes, just be sure all the tires are the same size and put winter tire on drive axils, never use different size tires on a 4x4 all four must be the same size, or you will damage transmission.Answeryes
They all have to be the same size. They can be different brands but even then make sure the tires on the front axle are the same brand an the tires on the rear axle are the same brand. Do not mix brands on the same axle.
Sure, you can balance the tires. Any place that sells tires can balance your tires. You cannot rotate the tires as you have already stated they are not the same size. Balance but do not rotate.
It is recomended that all four tires are the same age, same size, and same brand.It is recomended that all four tires are the same age, same size, and same brand.
Depends. All tires have a size on them, so the questions of the year of vehicle is irrelevant. If the size of the 1997 Explorer is the same size of the 1982 Chevy Van, then they are both interchangeable. The problems if any will be in the rims. But if the rims are different then the tires would be different too.
If all four tires on an MTB bicycle are 26 by 2.10, they are the same size.