Does anyone have any insights as to why the concept of "ideal" pressures doesn't seem to exist (or, at least isn't talked about/documented)? Old rFactor people will remember the old .tbc files, which listed an ideal pressure (and, I believe, temperature) range for a given set of tires. That tire data is now encrypted into the AMS .exe...which there is nothing wrong with, but wouldn't real-life racers/teams have access to this information from the tire manufacturer? I don't think it's some crazy conspiracy; I just think it's a bit odd. The data is there all to see in rFactor. Hell, in Assetto Corsa, the tire app will even color-code it for you so you don't even have to read the numbers! But in AMS, the information seems to be nowhere to be found. When I Google the topic, I can find several instances of people asking this same question across the interwebs, but the threads either go altogether unanswered or devolve into "tires r complicated" type discussions without really answering the question. Perhaps as long as your temps/pressure are in a generally acceptable range, there isn't that much of a performance gain/loss, so people aren't really wasting much time thinking/talking about the topic...?