DrD123 Posted February 15 Share Posted February 15 How much clearance do you need between the sidewall of the tire and the strut tube? I have about 22mm stock - if I were to go with tires that were 13mm away, in my head I should be just fine since the wheel/strut move as an assembly, but I didn't know if there was anything weird about the tires flexing as you drive (was thinking most of the deflection is at the bottom/contact patch with the road, and the upper part of the tire stays pretty much in the same position... Link to comment Share on other sites More sharing options...
boxkita Posted February 17 Share Posted February 17 sidewall flex is a real thing. you could run low profile stiff (performance) tires and that would reduce chance of rubbing. are you putting wider tires on same rim or new rims with wider tires? better tires handle better than wider cheap tires...but what's the fun in that? Build my car Boxkita Track days Link to comment Share on other sites More sharing options...
DrD123 Posted February 21 Author Share Posted February 21 we'll be doing wider rims (8.5") and better tires - you don't skimp on tires or brakes. Link to comment Share on other sites More sharing options...
boxkita Posted February 21 Share Posted February 21 i went to coilovers to get more clearance to run a closer tolerance on sidewall to strut. no wear marks ever showed. i ran BFG KDW 2 (235/45/17) on 17x7 et 42 . no rubbing even at max g on track/autox Build my car Boxkita Track days Link to comment Share on other sites More sharing options...
shralp Posted March 22 Share Posted March 22 I’ve literally got less than 1mm of clearance between my sidewall and the spring collar on the KW coilovers I’m running on my track car, (w/ Continental Extreme Contact Force 255/40/17) and shockingly, no rub. Way closer than I’d like but as long as there is no contact… Link to comment Share on other sites More sharing options...
DrD123 Posted March 25 Author Share Posted March 25 I ended up getting a brand new set of STi option rims for the 2016-2021 WRX (they are black 15 spoke rims - 18x8.5, ET55) with 245/45-18 tires (Pirelli PZero AS+ 3) - finally got it all together on Friday (with new OEM TPMS sensors) - they look great, definitely feel a whole lot more stable just cruising along than the Avid GTs and there's no rubbing! 1 Link to comment Share on other sites More sharing options...
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