I love the long answers.
After doing a few Cummins schools in the early 80's and seeing what they did with turbos and nice manifolding on inline 6 's
I always understood on things like 3500 cats and 1150 cummins and Boudwins( thats not spelt right) why the turbo ( s) were in the middle of the vee
I am amazed and more so now that most modern engines have the turbo's packages down one end..Seatek included.
I cant believe that can be very efficent when trying to get that 2:1 ratio down towards 1:1?
I remember years ago going to an SAE seminar on automotive SI turbo's, one of the presentations was from the guys developing a BMW 320turbo race car ( to suit the oz rules) and the work they put into the exhaust to get it to work was amazing from slowly rotating the housing just to get the tubing perfect, and storys of sudden loss of low end torque and discovered they had burnt the split housing out