Tyre pressures

[Driller]

Ok don't want to confuse things What you say about internal heat generated is right about 80% the rest is tyre surface contact bottom line is you want is a 4-6psi increase from cold to hot off track regardless of what pressure you start so if you get a 7-8psi increase let a couple out if your only getting 2-3psi increase put a couple in with this simple rule you will get the most out of your day and gear my example of 18psi (tyre specific design) and lap times was an example of where you need to be to get the most out of slicks. And theres one really important factor your not mentioning ( The Rider input) that's why I started of asking approximate lap times because if speed is down and not generating internal heat all you have is this big cold contact patch and when the rider gets hungry on the throttle coming out of corners making up for low corner speed tearing occurs as for suggesting 38psi this is only a ball park but in no way would I regard this as bad advise this is for a (Road specific tyre) (Not a race tyre) and a average rider and if at that pressure your over heating the road tyre on the track maybe its time to look for a different tyre.( I have been researching at race tracks for the last 3 years. ) Would be interested to know where your getting all your information from.