Oh well, cam follower, fuel filter were changed, I stuck a remap on aswell just incase it was the shark stock map at fault.
I did some datalogging when I got a few fuel cuts. Think I've narrowed it down to the in tank fuel pump, logs below are quite bad to be honest, first column is the intank fuel pressure, the high pressure logs show practically no fuel at all getting through at points, and I deleted a fair few columns out of the graph aswell. Also still have that massive boost spike, even with the new n75 valve fitted, repair bill now stands at over £3800. milltek downpipe has been sent to milltek for repair, as the machine shop couldnt machine the flange back it was that badly distorted off the bloke that welded it up for me. So no doubt the milltek bill will be pushing the repair bill to close to £4000