[Freon]

I had a 235/40/18 Dunlop Z1 on the front previously without even the camber pin removed, and I autocrossed it several times. I never had any issues. I don't think the PSS runs any wider than the Z1, if anything its the other way around. I wouldn't hesitate at all. Apex themselves say a 235/40/18 street tire is good to go in the front with a stock suspension.

235/35/18 is a short tire. It would work, but you'll add a lot of rake to the car if your rear is a lot wider but also a 35 series tire.

However, I still recommend removing the alignment pins as you'll eat your front tires. The car needs camber.