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For autocross on stock wheels -- stock alignment is very close close to ideal.
A good, through heat cycle will help the tires last a bit longer.
245s were pretty easy to cord, the 285s (on my stock track wheels) look in good shape after about a year.
On autocross courses above 70-80 degrees, I often start spraying new ones down after the first run (sidewall and shoulder only). They seem to work best at around 110 degrees surface temperature (surface temp is more important for autox).
Tire pressures for autox on stock wheels -- 32 PSI front, 28 PSI rear.
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