Cheers Dan, not a bad idea, but to be honest I can't be arsed lol - AmD is just too far away for me to be going there on a regular basis, like I say the car is running well on the road, just not the rollers. I've been in Orlando for the last week, so not been driving. I still haven't even got the boost gauge hooked up! Anyway, thanks for the idea - might be good to go stg2 and get SPS once I've got some more pennies?