Conedodger

I've got some of the discontinued A3S03 tires that I plan to use at local autocross events. I'll be running 225 front and 245 rear with the Gendron bar. With the A3S04s I was running 42 front and 38 rear. I've heard the 03s like less pressure. Can someone recommend pressures for the A3S03? I was thinking 38 front and 34 rear as a starting point.

Thanks

jguerdat

I don't recall for sure but I think Andy McKee posted his pressures in the season wrapup he did a couple of years ago. Might be referenced in the FAQ...

Conedodger

Thanks Jeff. I had looked at the FAQ and didn't see any A3S03 info, but hadn't looked at Andy's write up. He mentions running 38psi on all four.

SR71BB

Is that pressure cold or hot? Last year when we were running the 03s we were typically 40f/38r hot.

Conedodger

Good question. I don't know about Andy's numbers, but mine are cold.

jguerdat

I think (always a risky manuever on my part) that most autocrossers measure cold. If running back-to-back runs, I'd think you'd bleed down pressure so it remains constant regardless of heat...