OMFG.Luke wrote:I just ordered my 17"x9" 5zigens.
People will tell you 18's are the shizzy, but once you hit a pothole its all over. Instead of bending rims all the time go with 16" or at the most 17's. Don't go anything lower than a 45 sidewall or you'll be sorry. And people will ignorantly tell you there's less sidewall flex with a skinnier tire, but honestly sidewall stiffness is dependant on the tire manufacturer/air pressure. I was running my OE alloys with 205/60/15's, i ran a few psi more than stock (since i had suspension upgrades) and i had Potenza RE950's (stiff tires no matter what the size). Never experienced sidewall flex at all, not even autocrossing.biggie wrote:You need 17s, since I'm selling my set of FNs : )
But 16 or 17s do look better on almost all S13s, its just too small of a car for anything 18 or bigger.
NoGraphfixz wrote:would you/could you go bigger then 205?
You got it.rico05 wrote: Anthing bigger on an S13 is for visual appeal only. The smaller wheel will be lighter, while the sidewall ratio on those sizes will offer enough compliance to not overwork your suspesnion or your back, but will have the rigidity and scrub radius to offer superior feel and performance.
roll under? What do you mean?slydin’240 wrote:Thats not really true. If You hit a large enough pothole you can bend even a 16" wheel. We have had 18's on on both of our vehicles for years and have never had a problem. I have decent sidewall on the front and rear of the 240. Tire size is based off of an aspect ratio, so the wider the tire the more sidewall you have, example - 25535r18 - the tire is 255mm wide the sidewall is 35% of its width.
Wheel size is a personal preferance - If you want 18's get them same with 17's or 16's. My personal opinion is a 240 with 18's is the hottness.I would rather sacrafice some ride quality then have tires I can feel roll under.
Semantics. I didn't say you can't bend a rim smaller than 18". But the chances of it happening with 17" or 18" rims are much higher due to the fact they have no sidewall cushioning to soak up the impact. Like you said, if you hit a large enough pothole you can damage a 15 or 16" rim, but a pothole or imperfection that would've been fine for a 15 or 16" rim could be worst for anything bigger. With that said, some people adjust their driving style to compensate for bigger rims, and adjust their psi as well. The majority don't. As far as sidewalls rolling/flexing it's all about the tire's construction and psi, cheap-o tires are going to roll/flex no matter what the size.slydin’240 wrote:Thats not really true. If You hit a large enough pothole you can bend even a 16" wheel.
Its kinda hard to explain on the net, but you can feel it under high speed cornering.Graphfixz wrote:
roll under? What do you mean?
No kidding. But it would be ignorant to say that all 205/60/15 tires are created equal and display the same characteristics when driven on a autocross course or in any other demanding situation.slydin’240 wrote:A 20560r15 has almost a 5" sidewall, I don't care who makes it or how much pressure you put in it its gonna roll and flex more then a low profile tire.
Depends on how much overinflation your'e talking about. OEM psi is at 30 cold, I was running 33psi cold. No tire wear issues for the 2.5 yrs I owned the tires. And upping the psi in a chubby tire size like i had when i was running a stiff suspension (agx's/SuspTech springs) made the most sense and increased turn-in response.slydin’240 wrote:Overinflating a tire isn't good to compensate for suspention mods because it causes uneven wear in the center of your tire