Wheels and their tyre sizes
Posted: Thu Jun 10, 2021 9:55 pm
I have 2 sets of wheels and 2 separate issues!
Car is a 5th gen, lowered on tein coilovers, and has the hardest yellow strongflex bushes all round.
First problem:
Daily wheels are Motegi 17inch wheels currently fitted with michelin pilot sport 4 tyres in a size which is 1 profile size smaller than standard. Its running 215/40/17. These are too harsh for road driving. Running 2 bar pressure increases the comfort, but the tyre is too flat really. 2.2bar is what I tried to run them at, but this was very crashy. There was some improvement at 2.3bar strangely, but I don't think I can go much higher than that.
Questions are. 1) What is the official prelude tyre size for the motegi enkei wheels? And what is the official tyre pressure? 2) Has anyone gone for 225 width and had any issues? I don't mind loosing a little handling feedback if i get my comfort back (and get my back some comfort too!). I'm thinking either 215/45 or 225/45 (I don't think I need to go to 50 profile?)
Second problem:
Standard 5th gen 16inch wheels - these are currently fitted with some federal 595 r tyres for track days (in standard 205/50/16). These have enough tread left, but have been through probably 4 or 5 track days, and many heat cycles and are starting to feel a bit hard and loss of grip. Ideally i would replace them for the next track day at the end of July. What recommendations do people have? I've only ever had the federals and they were effectively budget tyres and only barely more grip than a premium road tyre (but didn't overheat). Going wider probably helps here too, is 225 possible?
Cheers
Scott
Car is a 5th gen, lowered on tein coilovers, and has the hardest yellow strongflex bushes all round.
First problem:
Daily wheels are Motegi 17inch wheels currently fitted with michelin pilot sport 4 tyres in a size which is 1 profile size smaller than standard. Its running 215/40/17. These are too harsh for road driving. Running 2 bar pressure increases the comfort, but the tyre is too flat really. 2.2bar is what I tried to run them at, but this was very crashy. There was some improvement at 2.3bar strangely, but I don't think I can go much higher than that.
Questions are. 1) What is the official prelude tyre size for the motegi enkei wheels? And what is the official tyre pressure? 2) Has anyone gone for 225 width and had any issues? I don't mind loosing a little handling feedback if i get my comfort back (and get my back some comfort too!). I'm thinking either 215/45 or 225/45 (I don't think I need to go to 50 profile?)
Second problem:
Standard 5th gen 16inch wheels - these are currently fitted with some federal 595 r tyres for track days (in standard 205/50/16). These have enough tread left, but have been through probably 4 or 5 track days, and many heat cycles and are starting to feel a bit hard and loss of grip. Ideally i would replace them for the next track day at the end of July. What recommendations do people have? I've only ever had the federals and they were effectively budget tyres and only barely more grip than a premium road tyre (but didn't overheat). Going wider probably helps here too, is 225 possible?
Cheers
Scott