I can relate to what Theo is saying, but, at the same time, I think we're heading in the right direction as far as making everything as equal as possible goes. I think it's just a case of working out the "early-season-bugs".
I should be able to form a better opinion after a day of running with the 13.5 tomorrow.
Theo: I forgot to ask you... Did you try softer compound tires last weekend? If so, did you have more grip? I have a brand new set of 4 Jaco Prism 2x Pinks if you're interested.