Quote:
Originally Posted by Craig4g63
I would say pay attention to the width of those tires. Some 245's get almost as wide as some 265's when dealing with auto x tires. So you may have issues fitting correctly without pulling fenders to get camber where you want. you will at least have to roll if you haven't already.
NOTE: I'm not that familiar with fitment on the 9-2x so you will want to verify this. I'm dealing with the 03 wrx sedan.
I haven't noticed much difference between the 235 vs the 245. 245's do seem to have a slight increase in overall traction but seem a little heavier in steering effort. That makes the 235 feel a little more nimble. 235's also give a little gearing advantage so the car feels a little quicker responding to throttle input.
All the differences are very small but it may make a difference to you at an auto x.
I think you would be very happy with either wheel. I think the Mach V have better clearance for big brakes if you have or plan to upgrade those.
I've only had experience with the RS4 and the Direzza. I preferred the Direzza slightly at auto x as they seemed to have a slight increase in over all traction vs the RS4. The RS4 do wear well and may be better at your track days due to that. The Direzza also felt a little better in the wet.
Hope that helps.
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Already rolled front and rear and have GD Brembo up front and FHI 2 pot rear. Street setup is a 17x9 with 235/45 NT555 which run fairly wide with a diameter of 25.5". I'm not getting any rubbing currently so hoping the smaller rolling diameter of any of the mentioned tires will be fine. Still have a bit more room to roll before pulling the fenders.
RS-4 was originally my first choice as my last track tire was the RS-3 which I was fairly happy with. There's just so many options now and and trying to decide where to cut weight vs which tire will be most consistent. The weight savings of some of the other options is what made me start thinking differently.
I had forgot to mention that I have my car set up fairly neutral. Have a slight oversteer issue I'm trying to figure out when turning left, but it's very minor and only right in the limit. I do prefer a progressive breakaway rather than massive grip right to the point of breakaway.