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  1. Potterswheel

    Can l change tyre profile size...?

    welcome aboard :welcome!: The dimensions for the 2 tyres are :- Why would you want to do this? have you got some cheap tyres? do you want to protect your wheels? You need to consider:- handling changes, speedo errors, gearing ratios, clutch life, TPSM settings. the increase you are considering...
  2. Potterswheel

    Can l change tyre profile size...?

    have you read this thread?
  3. Potterswheel

    Post your A1 eBay, Classifieds and For Sale links in here. Do not create a thread

    For sale Audi A1 roof bars used once in box https://www.ebay.co.uk/itm/AUDI-A1-2011-Aluminum-Aero-Roof-Bars-Original-Audi-part-8X3-071-126-in-box/203338193074?hash=item2f57e698b2:g:AqIAAOSwW0JgbDFw
  4. Potterswheel

    A1 Roof Rails

    I have a set of standard Audi roofbars for an A1>2011 if you're interested
  5. Potterswheel

    Can l change tyre profile size...?

    And fitted to the back????
  6. Potterswheel

    Can l change tyre profile size...?

    Does it look any different?
  7. Potterswheel

    Can l change tyre profile size...?

    Thanks @AlS3BE, and as you said I was not trying to be smart. 43 years working for a tyre manufacturer does this to you, you would not believe how much effort people put in to make these things the same size and stay that way Question; what sort of web site uses POKE for offset? (one question...
  8. Potterswheel

    Can l change tyre profile size...?

    Here's a thought; (no calculations involved) You are on ice, one end of you car is already effectively wheel spinning, and you accelerate did someone say donuts????? (4 question marks)
  9. Potterswheel

    Can l change tyre profile size...?

    As I said it is just maths, the answer is there in black and white, assuming the higher aspect ratio tyres are on one axle and you drive the car 1 mile then that axle will attempt to travel a distance equivalent to 12 turns more, if each rotation is 80.9 inches (what is an inch?) that makes...
  10. Potterswheel

    Can l change tyre profile size...?

    what?????
  11. Potterswheel

    Can l change tyre profile size...?

    Guys, you are mixing up width with rolling radius, some cars - particularly supercars with a rear mounted engine have bigger with tyres on the rear to take the weight, they are designed that way and may or not be 4 wheel drive (even if Quattro is not 'fully' 4 wheel drive) Designed properly by...
  12. Potterswheel

    Can l change tyre profile size...?

    its up to you, the big ones will wear out!!!!
  13. Potterswheel

    Can l change tyre profile size...?

    You cannot run mixed aspect ratio tyres on a quattro, even if you have uneven wear it upsets them - you will wear the larger aspect ratio out! you are supposed to rotate your tyres front to rear every 12 months. The tyre dealer should have told you this. You will either have to see if your...
  14. Potterswheel

    Can l change tyre profile size...?

    If you change the aspect ratio of your tyres you will directly affect your gearing by changing the rolling radius. Going from 35 - 40 % aspect ratio (not width !!! this is NOTHING to do with your wheel size!) will increase your rolling radius therefore lower your gear ratio, whilst for your...