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I'm English so I say TYRE. Tyres have three size measurements. Lets say 185x50x15 for example. 185 is the width of the tyre measured in cm. 50 would be the 'profile' which is the distance from the inner diameter to the outer diameter also measured in cm. So anything less than 50 is a low profile tyre. The 15 is the diameter of the wheel in inches. If you alter the outer diameter of the profile of the tyre as used in this example, your speedometer will read incorrectly as that is governed by cogs inside the gearbox. A 10% difference is acceptable here in the UK in order to pass the MOT test, but if the new tyres alter the speedometer too much you might have to change the ratio of the cogs in the gearbox in order for the car to pass it's MOT. Car manufacturers go to great lengths to make cars safe and economical, minor changes may be acceptable, but if you go extreme, please be careful cornering and running the vehicle to the max. Hot, Cold, wet, or fully loaded and you could be in trouble.

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Q: What happens when use wrong tire size?
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Can you use another tire size on Chevy Malibu 1997?

You can use any 15 inch tire but you could blow a gasket eventually since your engine is set to work with a specific size tire. Also your speedometer will be wrong if you don't use a 215 60 R15.


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You have to look at the tire size and it will tell you!!! On the size of the tire it will look something similar to this P215/70R15 97S Keep in mind this is not the size to use just an example depending on your rim size and other sizes will determin the size of the tire just use that number that is on the tire and take it to the tire place of your choice and they will help you get the correct tire!


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Can you use a tire of 195 50 15 on a 2006 Peugeot 207?

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