I was at the NEOHIO Solo race this weekend, and had to stop early due to the cords showing on my passenger-side front. These are Michelin PS 4S, when doing autocross I bump up the pressure to 38 or 40, because they tend to roll onto the sides a bit. I run in GS, so I run a stiffer Eibach rear bar, and run zero toe front and rear, but stock everything else. I understand by loosening the front suspension bolts you can get a tiny smidgen of camber, and if I replace the struts I would certainly do so, but I wonder if it is worth the effort otherwise. (The top and bottom bolts are single-use torque-to-yield, I think...)
So... what would cause the wear in the attached photo? The tires are at the end of their life anyway, but... is this expected/normal? Did I push it too hard? (Yes, in a few places the front slid out.) The day was a bit hot, but nothing like you would see in Texas or Florida or whatever. Still, would spraying the tires with water have made a difference? Or, is it "You would expect this wear, given the circumstances"?
The rules in GS do not allow me to run camber plates, so don't go telling me to buy those, or go to coil-overs, etc, which would put me in a different class, where I think you have to run ALL the allowed mods to be competitive. Note also that this is a daily driver, so I don't want to go with track-day 200TW tires. I may wait until the Michelin PS S5 comes out, and see if they are any improvement over the PS 4S.
Dean
So... what would cause the wear in the attached photo? The tires are at the end of their life anyway, but... is this expected/normal? Did I push it too hard? (Yes, in a few places the front slid out.) The day was a bit hot, but nothing like you would see in Texas or Florida or whatever. Still, would spraying the tires with water have made a difference? Or, is it "You would expect this wear, given the circumstances"?
The rules in GS do not allow me to run camber plates, so don't go telling me to buy those, or go to coil-overs, etc, which would put me in a different class, where I think you have to run ALL the allowed mods to be competitive. Note also that this is a daily driver, so I don't want to go with track-day 200TW tires. I may wait until the Michelin PS S5 comes out, and see if they are any improvement over the PS 4S.
Dean