Originally posted by wcc
...... if the spring actually controls the lowest about of boost and use a controller for the rest, WHY BOTHER WITH THE 1.0BAR SPRING? I'd go with the lowest spring avial, and turn it up as necessary. Did I miss something here?
Yeah.... you've been missing something....but you're starting to catch on.
Run a .4-.6 bar spring so it stays closed at no or low boost and you don't have exhaust leaks......at the wastegate......