[P10DET]

You don't say how wide your wheels are, and that is a factor. I would definitely not go higher than where you are at. I run 35/32 on my P10, but that's because I have a 205 tire on a 7.5" wide wheel. On my B13 with 215 tires on 7" wheels, I run the factory recommended tire pressures of 31/29.

The wider tires don't necessarily require a higher pressure. I think that's a bit of misinformation that is out there. You know, common knowledge that is wrong.

Some tires squeal, and some don't. You can't really change that with tire pressures.

The Summitomos I have on my P10 did very little squealing on the Summit Point Jefferson Circuit. I was amazed how quiet they are. I've had other tires that squeal like Ned Beatty in Deliverance. :right: My Yokohama A520s squealed like that when new. The Yoks are a much better tire though IMHO.

So, don't raise the pressures. If you have a 7" wide wheel, I'd recommend lowering the pressures. In fact, what little tire pressures affect squealing, it may actually help because you will increase the tire's footprint.