Quote Originally Posted by 2tonne View Post
No bother,
if it is really is slower than a 320 then its defo not right.
p.s. low fuel presssure on boost will also lower boost pressure somewhat
Would running it lean cause these probelms? Well it was lean (just reg unleaded) ( i could hear the timing) for a bit when i was messing around my house, when the tank was near empty... For the track it was full to the brim with Super.