Quote Originally Posted by gldgti View Post
wow, what a discussion. i'd bet my last couple of bucks that one one making the biggest difference to tyre pressures (and that causes the fluctuations seen) is good old water vapour. i'd even theorise that the drier the air you use, the less fluctuations you'll have.....

Smack on there buddy... now lets move on to Helium, Argon or some other miracle gas that will prevent aging and make replacing your brake pads a thing of the past...