aerosol tyre sealant

The new Boxster comes without even a half size spare wheel and only the dreaded aerosol can of foam to use in an emergency. I plan to drive in out of the way areas in northern Spain and Portugal and may be some distance from a source of a replacement tyre if I have a puncture.

My question is: HOW FAR CAN I SAFELY DRIVE on a tyre that has been repaired with these cans of foam assuming one drives slowly and sensibly to recognise that a tyre repaired in such a way is not suited for high speed? WHAT IS A SAFE SPEED?

Asked on 17 August 2012 by Pavlo

Answered by Honest John
What does the driver's manual tell you. I'd say no more than 50 miles at no more than 50mph.
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