Hello and not wanting to sound like a complete donut i have my beloved 1994 WRX Import with Avon ZZ-3 215 45 ZR17 and have no idea what a good pressure to run them on is i have them at 30 all round but not sure if its right any help would be gratefully appreciated
thank you in advance
Mark

 

firstly, make sure you check the pressures cold (less than a mile driven otherwise let sit for 3 hours). pressures can be 3-4 PSI higher when hot. I would run them higher personally, I usually run about 34-38 PSI (legacy wagon)