Hmmmm i had not heard of that or thought about it.Good point!
They make a different seal for a vac application?
Have thought really hard on that route. plumbing would be much much easier. The problem is 1st, this is my first turbo build and could cause double Jeopardy (loose motor and turbos)(blow thru carb.) And 2nt it would take a lot of electronic know how, that i don't have. To be able to sink or time the two VGT's