From: Trevor on 13 Apr 2010 18:06 My wife has acquired a car from her sister who can't drive any more. There is a noise when in full lock so I checked the tyres and they are 175/65R14. A couple of websites give 155/70TR13 as the size for this car (based on the number plate). Is there a safely issue here or is it OK to drive with theses tires?
From: Steve Firth on 14 Apr 2010 02:09 "Trevor" <trevor(a)nospam@woldsweather.co.uk> wrote: > My wife has acquired a car from her sister who can't drive any more. There > is a noise when in full lock so I checked the tyres and they are 175/65R14. > A couple of websites give 155/70TR13 as the size for this car (based on the > number plate). Is there a safely issue here or is it OK to drive with theses > tires? If the tyres are rubbing there's a safety issue. If the original size of tyre was as you say then the tyres currently on the vehicle aren't an appropriate match. They are too large. The diameter of the old tyres was 547 mm, the current ones are 583 mm, more than 6% difference in diameter. The usual rule of thumb is that new tyres should differ from old by no more than 2.5%. The current tyres are also 20mm too wide, which would explain why they are rubbing. THe wheels are a different diameter (14" instead of 13") so that could also be an issue, particularly if the offset is out of spec for the vehicle, anyone fitting tyres that differ so much from the manufacturers recommendation probably didn't understand offset either. Without details of the particular vehicle, it's impossible to advise you properly - no one can even tell if the details you have Googled are correct. Websites often have false information about vehicles. Telling us that your wife has obtain "a car" isn't much help. If the original data you obtained was correct. If the wheels are, as you indicate now 14", not 13" then the tyres currently fitted should be either 155x65x14 or 165x60x14 to get the right diameter. You will need to check the rim section of the wheel to see if the narrower size of tyre will fit safely or consider buying a set of 13" rims. Give some details of the car and wheels and it might be possible to give more accurate advice.
From: shazzbat on 14 Apr 2010 04:54 "Steve Firth" <%steve%@malloc.co.uk> wrote in message news:1jgxfb7.1smskdu6b3czkN%%steve%@malloc.co.uk... > "Trevor" <trevor(a)nospam@woldsweather.co.uk> wrote: > >> My wife has acquired a car from her sister who can't drive any more. >> There >> is a noise when in full lock so I checked the tyres and they are >> 175/65R14. >> A couple of websites give 155/70TR13 as the size for this car (based on >> the >> number plate). Is there a safely issue here or is it OK to drive with >> theses >> tires? > > If the tyres are rubbing there's a safety issue. If the original size of > tyre was as you say then the tyres currently on the vehicle aren't an > appropriate match. They are too large. > > The diameter of the old tyres was 547 mm, the current ones are 583 mm, > more than 6% difference in diameter. The usual rule of thumb is that new > tyres should differ from old by no more than 2.5%. > > The current tyres are also 20mm too wide, which would explain why they > are rubbing. THe wheels are a different diameter (14" instead of 13") so > that could also be an issue, particularly if the offset is out of spec > for the vehicle, anyone fitting tyres that differ so much from the > manufacturers recommendation probably didn't understand offset either. > > Without details of the particular vehicle, it's impossible to advise you > properly - no one can even tell if the details you have Googled are > correct. Websites often have false information about vehicles. Telling > us that your wife has obtain "a car" isn't much help. > > If the original data you obtained was correct. If the wheels are, as you > indicate now 14", not 13" then the tyres currently fitted should be > either 155x65x14 or 165x60x14 to get the right diameter. You will need > to check the rim section of the wheel to see if the narrower size of > tyre will fit safely or consider buying a set of 13" rims. > > Give some details of the car and wheels and it might be possible to give > more accurate advice. I'm guessing it might be a fiesta...... Steve
From: Trevor on 14 Apr 2010 18:27 "Steve Firth" <%steve%@malloc.co.uk> wrote in message news:1jgxfb7.1smskdu6b3czkN%%steve%@malloc.co.uk... > "Trevor" <trevor(a)nospam@woldsweather.co.uk> wrote: > >> My wife has acquired a car from her sister who can't drive any more. >> There >> is a noise when in full lock so I checked the tyres and they are >> 175/65R14. >> A couple of websites give 155/70TR13 as the size for this car (based on >> the >> number plate). Is there a safely issue here or is it OK to drive with >> theses >> tires? > > If the tyres are rubbing there's a safety issue. If the original size of > tyre was as you say then the tyres currently on the vehicle aren't an > appropriate match. They are too large. > > The diameter of the old tyres was 547 mm, the current ones are 583 mm, > more than 6% difference in diameter. The usual rule of thumb is that new > tyres should differ from old by no more than 2.5%. > > The current tyres are also 20mm too wide, which would explain why they > are rubbing. THe wheels are a different diameter (14" instead of 13") so > that could also be an issue, particularly if the offset is out of spec > for the vehicle, anyone fitting tyres that differ so much from the > manufacturers recommendation probably didn't understand offset either. > > Without details of the particular vehicle, it's impossible to advise you > properly - no one can even tell if the details you have Googled are > correct. Websites often have false information about vehicles. Telling > us that your wife has obtain "a car" isn't much help. > > If the original data you obtained was correct. If the wheels are, as you > indicate now 14", not 13" then the tyres currently fitted should be > either 155x65x14 or 165x60x14 to get the right diameter. You will need > to check the rim section of the wheel to see if the narrower size of > tyre will fit safely or consider buying a set of 13" rims. > > Give some details of the car and wheels and it might be possible to give > more accurate advice. OK my wife has now dug out the details for me. Ford Fiesta Flight 06/2001 5 door hatchback petrol car 1200cc
From: Steve Firth on 15 Apr 2010 02:01 "Trevor" <trevor(a)nospam@woldsweather.co.uk> wrote: > "Steve Firth" <%steve%@malloc.co.uk> wrote in message > news:1jgxfb7.1smskdu6b3czkN%%steve%@malloc.co.uk... > > "Trevor" <trevor(a)nospam@woldsweather.co.uk> wrote: > > > >> My wife has acquired a car from her sister who can't drive any more. > >> There > >> is a noise when in full lock so I checked the tyres and they are > >> 175/65R14. > >> A couple of websites give 155/70TR13 as the size for this car (based on > >> the > >> number plate). Is there a safely issue here or is it OK to drive with > >> theses > >> tires? [snip] > > Give some details of the car and wheels and it might be possible to give > > more accurate advice. > > OK my wife has now dug out the details for me. Ford Fiesta Flight 06/2001 5 > door hatchback petrol car 1200cc If the car is a Ford Fiesta Flight then the tyre size you quoted 175x65x14 is the original fit. If there's a noise on full lock it's not likely to be the tyres causing the problem. You need to investigate what's causing the noise. The original alloys looked like this: http://cgi.ebay.co.uk/ws/eBayISAPI.dll?VISuperSize&item=160413625679
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