In my van?
At least one puncture a year.
I only got the car at Christmas and I have only used it for 5 journeys.
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5 years ago
Spare tyres and maximum speed limits
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5 years ago
FTAOD what is the speed rating on the tyre - that is, the letter at the end of the code on the sidewall rather than the sticker? (I've never seen an "F" rating on a car tyre but then I've not seen a lot.)
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5 years ago
very true...
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5 years ago
Perhaps some versions ship with a space saver, and the sticker gets "fitted" regardless of what actual tyre / wheel you get. The speed rating letter on the tyre will give you the actual answer.
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5 years ago
That depends on who did them up.
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5 years ago
Perhaps because when changing a wheel, you're only changing one of a pair instead of both? Don't they recommend swapping only pairs from back to front (rather than, say, just rotating all four by one position clockwise)?
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5 years ago
fewer.
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5 years ago
For anyone that does't know, a 100mph tyre can need to be limited to 50mph if it's not the same size as the one on the other side.
NT
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5 years ago
He did say they were all R16 IIRC.
That doesn't mean the rims are the same width though or the tyre loading is the same.
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5 years ago
Or 'is less cord in it'
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5 years ago
Run-flat tyres are limited to 50mph if they're punctured, but it wouldn't make sense to have a run-flat spare.
I also can't see it as penny-pinching by the manufacturer - a special lightweight tyre is surely more expensive than the standard one.
If the tyre is the original-supplied one, perhaps it is a lightweight one and the manufacturer needed to shave off a kilo or two to get the car into a lower tax band.
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5 years ago
He said "The tyres on the car and the spare all say 195/65R15"
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5 years ago
My spare is narrower and it is made of steel and not alloy.
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5 years ago
Problem with that line is that no one else has 50mph stickers on their full sized spares.
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5 years ago
you've got generous friends
tim
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5 years ago
There is a rating for agricultural vehicles not expected to exceed 30 mph ISTR
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5 years ago
Not likely to be balanced? Brian
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5 years ago
I retorque mine after any garage does anything - they are invariably overtightened.
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5 years ago
Depends on the car and tyre.
Many are directional now so you have to keep left on left and right on right.
My car is particularly fussy - it allows no more than 3.5mm tread depth difference from to back and recommends changing axels as a pair.
Use of spare (which will invariably be different tread depth) is to be minimised.
Expensive if you get an unrepairable puncture. I had a puncture the other week - luckily that was repairable.
Now I will only take our old car with less constraints to the dump!
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5 years ago
I've probably needed my spare on average once every two or three years, typically due to finding the car with a flat tyre as I'm about to set off, or being forced off the road into a kerb by an oncoming car or tractor that should have given way to me when it is overtaking parked cars on its side of the road. Normally it's nails that I pick up - usually just too far from the tread towards the sidewall to be repaired.
The last time was last summer with a tyre that had about 3000 miles use on it. An oncoming tractor pulled out to overtake parked cars and I had to slam the brakes on and swerve to the left because he still kept coming towards me and didn't even stop (if I'd got his number I'd have reported him). The sharp edge of the tarmac was about 2" higher than the earth at the side of the road, and it gashed the inside tyre wall.
So, yes, a spare tyre is essential. And given that I've discovered several punctures just as I've been about to start a long journey on a Sunday night (when tyre repair/replacement places are closed) it really needs to be a fully-functioning, unrestricted tyre. Space-savers assume that punctures only ever occur when garages are open to repair the tyre - how very naive! I've had to postpone several journeys till the following morning because my present car doesn't have a like-for-like spare tyre (ie same size and speed rating, just on steel rather than alloy wheel).
Am I very unlucky with the number of punctures I get, or is it just a hazard of living in a rural area where road surfaces are poorer and there's more crap (nails, thorny branches) left on the road by other vehicles?