Tire Size Substitution on 940 Wagon?

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Dave Kaplan - 07 Dec 2006 16:48 GMT

My 94 940T has 205-55-16 tires. I need winter tires and have found a good
used set of 205-50-16.

Will those work? Do they use the same rims?

Dave

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Roger Mills - 07 Dec 2006 21:33 GMT

In an earlier contribution to this discussion,

> My 94 940T has 205-55-16 tires. I need winter tires and have found a
> good used set of 205-50-16.
>
> Will those work? Do they use the same rims?
>
> Dave

Yes, they'll work, and they'll fit the rims ok. The car will sit slightly
lower - with about 10mm less ground clearance, and will be slightly lower
geared - so that the speedo and odometer will read just over 3% higher than
actual, but not enough to be worried about.

Do make sure though that the load and speed indexes of the substitute tyres
are suitable for your car.

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Cheers,
Roger
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John Horner - 08 Dec 2006 16:30 GMT

> My 94 940T has 205-55-16 tires. I need winter tires and have found a good
> used set of 205-50-16.
>
> Will those work? Do they use the same rims?
>
> Dave

Your speedometer will be off and you will have compromised load carrying
capability. For snow tires if anything you want to go the other
direction, narrower and taller. There is a handy tire size calculator
at: http://www.miata.net/garage/tirecalc.html You can use it to see
what the approximate speedometer error would be for different sizes.

195/60-16 would probably be an idea snow tire size for you.

That said, the 205-50-16s will "work", depending on how you define working.

John

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