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All - Am headed up to Lime Rock Park next week to run a NASA HPDE event in my 2008 MS3. Questions: 1) Have just put new Toyo R1R's (225/40) on it. What hot pressures should I aim at? I saw an article in Grassroots comparing R1R's with RE01's and they were using really low pressures - like...

I'm headed out to my first autox tomorrow. I'll be driving up on the OEM tires and will use them (probably use them up!) in the autocross. Any suggestions about what pressure to set them to? Should I set them cold before I leave? They will gain probably 4 lbs just driving up there. What...

Slap me if this has been covered already - searched and couldn't find. I want to autocross my MS3 using R-compound tires, specifically, Hoosier A6's. My experience with Hoosier R6's is that they want a LOT of negative camber. But, this was with a RWD car. This is my first FWD car. Is...

Just bought an '08 Mazdaspeed3, and will be autocrossing it. Would like to put Hoosier A6s on it. Seems reasonable to consider 17" wheels in his case for less unsprung weight (and more weight left in wallet for that matter). Anyone have a good idea of what size tires will fit under stock...