(25 Sep 2016, 10:54 am)GX03 SVC wrote 7603 and 7607 have has new bigger engines fitted in the last couple of months, old engines were like chocolate, lasted the best part of 5 minutes!
Drove 7603 a few days ago and it is utter shite, probably the slowest of the lot. 7607 is running well (at the moment).
Mind I'm surprised they only produce 205hp, thought it would have been more than that.