Originally Posted by Bomber
You can tune surge out with an electronic boost controller - but you will never 100% get rid of it due to the mismatch of the turbo hot and cold side.
You could try a ported compressor housing?
A lot of WRC used small turbines and large compressors so I would say Tommy would know how best to combat this
its already has a ported shroud so thats not a problem,
car is getting booked back in and more than likely having a chnage of housing