I was in uni fr 4 years in nottigham? lol.
Now i'm in south wales valleys.
Problem that i found with the stage 2 map is its not really made for a k03s, as it doesnt ask for enough boost further up the reve range, and this is completely true as if you compare the requested on a car equiped with a k03s, andy blunts logs come to mind, and to mine and bennys you'll see that theres a big difference between to the two. Now what happens then is the k03s puts up too much boost compared to the requested and the n75 shits itself and bleeds off the boost causing boost oscillation or surging. And ive seen the BADLY on two separate rollers
But i guess this could be dealt with easily by keeping standard N75, not like the spiky J valve i had or winding out the actuator to reduce pre load to stop the spikes.
But now i have my EBC, and set up right, i reckon i could hit 240bhp on Powerstations rollers as i got 228bhp on a BOILING hot day (intake temps at 46 degrees when it was sat on the rollers) and about
280-290lbs/ft.
Its a great map, and people dont give it much credit, but it soon falls down when you start playing with hardware, which was my fault.