3 psi is that all??? :P mine has 7 stock!... but then again, the quad cam V6 is very nice... is your's a 2Lt or 2.5Lt redmx?
Also for those of you who are interested in a good race watching day the Southern Sprint Kart club is holding the SA Master's games this weekend, Saterday is Qualifying and i think a couple of heats, and Sunday is all racing!!! SSKC is found on
Summer Road, Bolivar, and it's just off port wakefield road... entry is normally only about $5, oh and my old man is trying to get his title back, (best old fart in sa!), if you want more infor i'll get it for ya, if ya decide to show up i'll be there with my TX5 
... hopefully...