Question: Can You Run A Different Size Spare Tire?

Can you run two different size tires on the same axle?

Yep, get the same size tires on the same axles..

Why is a spare tire called a donut?

Just because the early spares used to be the same size as the rest of the wheels, and then they came out with the space saver spares on some cars, so the smaller sized tires and rims, with the same lug nut hole spacing, were dubbed the donut nickname.

Can you drive 70 mph on a spare tire?

How Fast Can I Drive On A Spare Tire. Spare tires are all rated differently and are indicated as such on the side. They all have a speed rating, but it’s typically understood that spare tires shouldn’t be driven faster than 50 mph. While it’s not recommended to go more than 70 miles, you can stretch the life to 90.

How many miles does a donut tire last?

50 milesYou should not drive over 50 mph and no more than 50 miles with a donut-type spare tire. Driving for long distances on a spare tire can potentially cause damage to other car parts, including the transmission.

How far should you drive on a donut?

Donut tires are only meant to be temporary fixes for a flat tire until you can safety reach a Chicago area service center to get your tire replaced. In general, most donuts should not be driven on for longer than 50-70 miles.

Will different size tires affect differential?

It won’t affect your differential. … The differential will do what it is supposed to do, but it will have an affect on vehicle handling. It is illegal to have different tyre sizes on the same axle on a road vehicle unless it is an emergency spare which has a speed limit.

Can a spare tire be a different size?

The reasons your vehicle’s spare tire is so different While some vehicles do offer a full-size replacement (fifth) tire or just a tire patch kit, the majority of vehicles include a compact spare tire also referred to as a “donut.” These emergency substitutes have a smaller diameter, narrower width, and shallower tread.

Can I drive 200 miles on a donut?

A general rule of thumb is to drive no more than 70 miles and no faster than 50 miles per hour before replacing your donut with a new tire. The biggest reason to use these space savers for a short period of time is because they have little to no tread. This makes the spare vulnerable to road hazards and projectiles.

What happens if one tire is bigger than the rest?

Unless there is major difference between the larger one and rest others, it won’t harm your car. A slight difference in tire’s size doesn’t matter in terms of alignment and handling. … However, if the size of that tire differs much in height and weight then it’s better to change that.

Can I drive 5 miles on a flat tire?

To be safe, driving on a flat tire at all is too far. If your tire has lost all air pressure, it not only will damage the tire beyond the possibility of repair, but can put you in harm’s way. … If you choose to drive it to the shop, stop every mile or so to check the tire’s pressure.

Are all donut spare tires the same size?

Not all spare tires are created equal, and that’s OK. Those who find themselves with a donut rather than the full-sized alternative need not worry about using them, provided they work quickly to either replace or fix the flat when it’s convenient to do so.

Can wrong size tires damage transmission?

Increasing Tire Size Will Reduce Your Vehicle’s Effective Gear Ratio. The increased size causes the tires to rotate slower to cover the same amount of ground. … If you are running an automotive transmission this can cause some serious strain depending on the current gear ratio if you choose not to regear your system.

Do spare tires fit all cars?

Will a Donut or Compact Spare Tire Fit Any Car? The short answer is ‘NO’. A donut spare tire can not be safely interchanged between vehicles. Tire Rack only recommends interchanging donut spare tires with the exact same make and model of car.