Quote:
Originally Posted by rvoll
You said you had the manufacturer specs -- I guess you don't. Have you ever run 225/45R17's on your FRS? I have them on my BRZ and it's not even a close close call as there is absolutely no pinch. The OP indicated he thought the spacers would make the car corner better, so it was referenced as a performance mod. And for the record, I have no problem with you modding your car in any way as it is your money. IMO, wide 18's with 245's on a 40mm or so offset makes the car look good. But if you are really after performance, 17's are probably better and wider tires are not except in special situations. I have done a lot with my cars on the basis of how they look, so I certainly have no criticism if you wish to do that. I tried to justify getting new rims on my 2018 instead of just new tires, but I couldn't do it on the basis of performance, so I decided not to do it. It was awfully tempting to look at all of the wheel options out there. In my younger years, I did a lot of things like lowering, headers, exhaust, intakes, wheels/tires, hot cams, etc. But at my old age, I'm only willing to mod if there is a significant performance improvement I need in a daily driver. The only one I could justify on that basis was the upgrade to the PS4S's. Lowering the car an inch or so makes it look better, but it does degrade the ride quality and doesn't make the car handle better.
I'm just trying to give the OP an objective answer and not trying, in any way, to degrade what you have done. For us car freaks, our cars are an extension of us. So if it makes you feel good to do any of this, you should do it....
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I stated that I read the manufacturer specs. And, yes I have had 225/45 on stock wheels and on 17x7.5 wheels. They fit better on a wider wheel than 7".
You mention in another thread that Michelin was wrong about the factory specs. So you already understand that they can be incorrect. I've stated my opinion about Tire width and rim width. You've added a whole bunch of other stuff in with your assumptions. I understand you want to give OP all the information so he can make an educated choice on what tire and wheel he adds to his car. Thats Great! And some guys run 17x9 with 245, even though YOU think it does not increase performance.
Additionally, IMO, you decided to not get rims on a basis of budget. NO race team uses stock wheels. So obviously, there are better wheels than stock performance wise.
Good luck!
This has been a fun back and forth, I hope you don't feel personally attacked. Everyone is entitled to their opinion, and I have been posting mine here in the wheels/tires section for almost 6 years. Thanks for sharing yours.
Check out my build thread for more info.
