I changed to PF pads and braised hoses on my V6. They are now what I would describe as 'average'. They squeal a bit and grip when cold is not great. I don't know what it is with the GTV brakes. They seem to need far more force exerted on the pedal to attain the same stopping performance. Servo maybe? Whatever it is, if your not used to it, you can have a few scary moments as your clenching your teeth pressing the brake pedal harder than you've had to do in any other car this side of the 1970's.
I have to agree - although a 330mm set-up seems much better than the OE.
On the road, I find the PF pads are pretty average from cold and very far from outstanding.
Really, they need the heat kept in them to work effectively, which is when they eventually seem to brake rather well.
But this is just not practicable on UK roads and a standard road pad is probably much better for normal adult driving (and a LOT
Therefore, I would probably class them best as track-day pads - in which scenario they will get a lot of repeated use, stay hot and thus work properly.
On the road, you would have to drive like (K)Nobby Nova to keep them up to temperature.
I'm looking to replace mine fairly soon, probably with EBC Ultimax 2s...