seventyseven Posted September 5, 2006 Report Share Posted September 5, 2006 .....is the most/least any of you have paid for tyres?? And ££ what did you pay for what brand? I do about 14k p/a & looks like I'll be on A new set of boots for the front every year,WITHOUT any welly!! Gulp!! OliH-Does your emporium of yts trained spanner monkeys also do tyres of joyful cheapness?? Link to comment Share on other sites More sharing options...
R32North Posted September 5, 2006 Report Share Posted September 5, 2006 [ QUOTE ] .....is the most/least any of you have paid for tyres?? And ££ what did you pay for what brand? I do about 14k p/a & looks like I'll be on A new set of boots for the front every year,WITHOUT any welly!! Gulp!! OliH-Does your emporium of yts trained spanner monkeys also do tyres of joyful cheapness?? [/ QUOTE ] Try www.mytyres.co.uk When I had 18s, KiwkFit wanted £167 per corner for F1s or Potenzas, Mytyres did them for £105 per corner. So, at approx £420 - £460 for a set per year, I think that is very good value! Link to comment Share on other sites More sharing options...
Tarmac_Terrorist Posted September 5, 2006 Report Share Posted September 5, 2006 If you're running the 18's then I would be more concerned about who can fit them without damaging the wheel rather than price Link to comment Share on other sites More sharing options...
mikemod Posted September 5, 2006 Report Share Posted September 5, 2006 I'll second that, both my fronts were damaged Link to comment Share on other sites More sharing options...
seventyseven Posted September 5, 2006 Author Report Share Posted September 5, 2006 [ QUOTE ] If you're running the 18's then I would be more concerned about who can fit them without damaging the wheel rather than price [/ QUOTE ] Sorry,forgot-car'll be on 17's. Link to comment Share on other sites More sharing options...
trentender Posted September 6, 2006 Report Share Posted September 6, 2006 Last week I had a new front due to a puncture, 4 weeks old and £126 but the problem was finding a fitter who had the correct machine. I found a guy in Nottingham that uses the Corghi AM26 fitting machine, this can change anything up to 26" without touching the rims. Another problem is whether to change the metal valve, so I decided to buy a spare from the dealer just in case as tyre fitters only use the standard black plastic. All in all good fitting from ETS in Nottingham. Link to comment Share on other sites More sharing options...
petsy Posted September 6, 2006 Report Share Posted September 6, 2006 I could be wrong but I seem to recall that the factory supplied valve is used for the tyre pressure monitoring system so it's a good thing you got a spare one from the VW dealer. Link to comment Share on other sites More sharing options...
silentandy Posted September 6, 2006 Report Share Posted September 6, 2006 I believe the tyre pressure sensing is done by the ABS sensors detecting a change in rolling circumferance. It therefore only works while the car is moving. Link to comment Share on other sites More sharing options...
Jack_is_Back Posted September 6, 2006 Report Share Posted September 6, 2006 [ QUOTE ] I believe the tyre pressure sensing is done by the ABS sensors detecting a change in rolling circumferance. It therefore only works while the car is moving. [/ QUOTE ] Surely the physical circumference of a tyre can never change. The distance travelled by one revolution of the tyre should be the same regardless of inflation pressure. Unless I'm wrong of course... Link to comment Share on other sites More sharing options...
petsy Posted September 6, 2006 Report Share Posted September 6, 2006 no, the physical rolling circumference changes according to the tyre pressure when the tyre is on the car. if one tyre deflates, that wheel has to rotate a bit more than the correctly pressured ones to travel the same distance. this discrepency is monitored by the abs sensors leading to a tyre pressure fault warning light. Link to comment Share on other sites More sharing options...
Jack_is_Back Posted September 6, 2006 Report Share Posted September 6, 2006 [ QUOTE ] if one tyre deflates, that wheel has to rotate a bit more than the correctly pressured ones to travel the same distance. [/ QUOTE ] I don't believe it does. Imagine a tank track - the distance travelled by one revolution is the same regardless of what shape it forms. A flat tyre has the same circumference as an inflated tyre - it's just a different shape. Link to comment Share on other sites More sharing options...
TwoSheds Posted September 6, 2006 Report Share Posted September 6, 2006 Just read up on it...... A decrease in the tyre pressure will lead to a decrease in the wheels radius , this means it will rotate faster compared to the other tyres & the ABS speed sensors detect this change. Link to comment Share on other sites More sharing options...
Jack_is_Back Posted September 6, 2006 Report Share Posted September 6, 2006 [ QUOTE ] A decrease in the tyre pressure will lead to a decrease in the wheels radius [/ QUOTE ] Yeah, now I think about it that way it make sense. My bad. Link to comment Share on other sites More sharing options...
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