slow speed spare tyre
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From: Andrew Gabriel on 22 Jun 2010 06:43 I have a 2 year old Fiesta. Handbook mentions that some cars have a skinny spare tyre with max speed 50MPH. My spare seems to be same size as all the others (195/50 R15) and it's a ContiEcoContactEP which seems to be rated for 118MPH, on a steel wheel (although the others are all PremiumContact and directional on alloys). So it looks like the spare is a full spec tyre and wheel - certainly it's not a skinny. However, it has a sticker on it saying 80Km/h max. Any ideas why? -- Andrew Gabriel [email address is not usable -- followup in the newsgroup]
From: Adrian on 22 Jun 2010 06:47 andrew(a)cucumber.demon.co.uk (Andrew Gabriel) gurgled happily, sounding much like they were saying: > I have a 2 year old Fiesta. > Handbook mentions that some cars have a skinny spare tyre with max speed > 50MPH. > > My spare seems to be same size as all the others (195/50 R15) and it's a > ContiEcoContactEP which seems to be rated for 118MPH, on a steel wheel > (although the others are all PremiumContact and directional on alloys). > So it looks like the spare is a full spec tyre and wheel - certainly > it's not a skinny. > > However, it has a sticker on it saying 80Km/h max. Any ideas why? I'd be looking closely at the wheel stud/nut seats. I strongly suspect that Ford have been too cheap to provide collars or similar on the alloys to mate accurately with the studs intended for the alloys. If that is the case, then a separate set of four from a steel-wheel car would be the answer.
From: Adrian on 22 Jun 2010 06:48 Adrian <toomany2cvs(a)gmail.com> gurgled happily, sounding much like they were saying: >> I have a 2 year old Fiesta. >> Handbook mentions that some cars have a skinny spare tyre with max >> speed 50MPH. >> >> My spare seems to be same size as all the others (195/50 R15) and it's >> a ContiEcoContactEP which seems to be rated for 118MPH, on a steel >> wheel (although the others are all PremiumContact and directional on >> alloys). So it looks like the spare is a full spec tyre and wheel - >> certainly it's not a skinny. >> >> However, it has a sticker on it saying 80Km/h max. Any ideas why? > I'd be looking closely at the wheel stud/nut seats. I strongly suspect > that Ford have been too cheap to provide collars or similar on the > alloys to mate accurately with the studs intended for the alloys. If > that is the case, then a separate set of four from a steel-wheel car > would be the answer. Bad form, etc, but sent-then-thought... There may also be TuV implications for mis-matched tyre types/speed ratings that don't apply to the UK.
From: Chris Bartram on 22 Jun 2010 07:40 On 22/06/2010 11:48, Adrian wrote: > Adrian<toomany2cvs(a)gmail.com> gurgled happily, sounding much like they > were saying: > >>> I have a 2 year old Fiesta. >>> Handbook mentions that some cars have a skinny spare tyre with max >>> speed 50MPH. >>> >>> My spare seems to be same size as all the others (195/50 R15) and it's >>> a ContiEcoContactEP which seems to be rated for 118MPH, on a steel >>> wheel (although the others are all PremiumContact and directional on >>> alloys). So it looks like the spare is a full spec tyre and wheel - >>> certainly it's not a skinny. >>> >>> However, it has a sticker on it saying 80Km/h max. Any ideas why? > >> I'd be looking closely at the wheel stud/nut seats. I strongly suspect >> that Ford have been too cheap to provide collars or similar on the >> alloys to mate accurately with the studs intended for the alloys. If >> that is the case, then a separate set of four from a steel-wheel car >> would be the answer. > > Bad form, etc, but sent-then-thought... > > There may also be TuV implications for mis-matched tyre types/speed > ratings that don't apply to the UK. This has been talked through on Skoda forums. There the theory was that the steel spare ona Fabia vRS, though the same size (and on my car with the same brand/type of non-directional tyre) could be fitted with a directional tyre that might end up the wrong way round- some did leave the factory with directional tyres.
From: Derek C on 22 Jun 2010 10:42
On Jun 22, 12:40 pm, Chris Bartram <n...(a)delete-me.piglet-net.net> wrote: > On 22/06/2010 11:48, Adrian wrote: > > > > > Adrian<toomany2...(a)gmail.com> gurgled happily, sounding much like they > > were saying: > > >>> I have a 2 year old Fiesta. > >>> Handbook mentions that some cars have a skinny spare tyre with max > >>> speed 50MPH. > > >>> My spare seems to be same size as all the others (195/50 R15) and it's > >>> a ContiEcoContactEP which seems to be rated for 118MPH, on a steel > >>> wheel (although the others are all PremiumContact and directional on > >>> alloys). So it looks like the spare is a full spec tyre and wheel - > >>> certainly it's not a skinny. > > >>> However, it has a sticker on it saying 80Km/h max. Any ideas why? > > >> I'd be looking closely at the wheel stud/nut seats. I strongly suspect > >> that Ford have been too cheap to provide collars or similar on the > >> alloys to mate accurately with the studs intended for the alloys. If > >> that is the case, then a separate set of four from a steel-wheel car > >> would be the answer. > > > Bad form, etc, but sent-then-thought... > > > There may also be TuV implications for mis-matched tyre types/speed > > ratings that don't apply to the UK. > > This has been talked through on Skoda forums. There the theory was that > the steel spare ona Fabia vRS, though the same size (and on my car with > the same brand/type of non-directional tyre) could be fitted with a > directional tyre that might end up the wrong way round- some did leave > the factory with directional tyres.- Hide quoted text - > > - Show quoted text - One of my friends has a fancy company car Jaguar with big fat alloy wheels and low profile tyres. On a trip up to Scotland last year, we had a rear blow out on the Motorway and found that it had a 'Spacesaver' wheel and tyre that wasn't much wider than a wheelbarrow tyre. I don't know why, because there is plenty of room for a full sized wheel in the spare wheel tray. We couldn't work out where the jacking points where on this car (useless handbook), so had to call out the AA. The AA man fitted the spare wheel for us and advised my friend to drive as slowly as possible to the nearest tyre depot to get a new tyre fitted to the proper wheel. This seems a very penny pinching and dangerous item to be included in what is supposed to be a luxury top of the range make of car! I once hired a small car in Spain that didn't even have a spare wheel. Just an aerosol foam re-inflation device that would be useless if you had wrecked the tyre in a high speed blow out! Do motor manufacturers even consider the implications of having a puncture in the real world? Derek C |