Quote:
Originally Posted by ard
Yes, ‘how many revolutions the tire makes in a mile of driving’…. The smaller the differnfece the less the ‘differential’ needs to ‘accomodate’. More difference = heat and abuse.
When you look up a tire on, say, tirerack, for that tire in that size they will list ‘revs per mile’
You match those.
You can also just look at the ‘outer diameter’ of the tire, and match them
You dont ‘build’ a ‘revs/mile’ by choosing the numbers- say 275 and 40 or 265/45… it can be VERY tire specific. A Michelin in a 275/40-20 may have a very different t revs/mile compared to a Pirelli 275/40-20.
|
Interesting, I thought I had it almost figured out as I used a calculator and matched the revs/mile which you quoted above so I assumed that calculator was right. I then changed to the next tyre width up (285 from 275) which gave me a crazy close revs/mile but I really struggled to find the manufacture specifications for the revs/mile and not only that, going to 285 from 275 had a pretty steep increase.
I was originally looking at the Avon ZX7 275/40/20 for £148.95 per tyre but oddly enough not even the Avon website appears to have the revs/mile details
https://www.avontyres.com/en-gb/tyre...pe=car&speed=K
In the meantime I will check tirerack like you said as I've almost got the new parking brake actuator on the car and with ribbons showing on the rears I need to get them ASAP.