Quote: Originally Posted by
nutz 
puting a smaller a/r turbine housing will make it spool up faster
but you also add back pressure "alot" this will kill you top end and tend to heat your turbine and make too much boost down low "surge"
you are trying to create small turbo spool with a big turbo
this can be acomplished with a smaller turbo that will net you better gains

Iam aware of the complications, just sorta looking for some feedback between the two diffrent housings.