I am getting my blown T66 with 0.7 ar and p trim rebuild as we speak. I am upgrading the compressor wheel to a T72, and the shop is recommending to have the exhaust side clipped by 10degrees. I have done quite a few searches here and on the web. It seems that clipping has a similar effect for increasing the ar. A 10degree clip is considered a mild clip. Their reasoning for the clipping was that the T72 would be benefit more from a like 0.81 housing and instead of buying a new housing, a 10degree clip would give the same performance by reducing the exhaust flow at the higher boost/rpms. Any opinion or thoughts on this?