I just got back from SEMA and talked to MBMbrakes.com.
They have this new powermaster that they debuted at this years SEMA show.
http://www.mbmbrakeboosters.com/ind...category_id=10&option=com_virtuemart&Itemid=6
http://www.semashow.com/press/2014/09/05/new-1985-1987-buick-grand-national-powermaster
They were telling me that it is completely redesigned to actually work! and be dependable.
They have this new powermaster that they debuted at this years SEMA show.
http://www.mbmbrakeboosters.com/ind...category_id=10&option=com_virtuemart&Itemid=6
http://www.semashow.com/press/2014/09/05/new-1985-1987-buick-grand-national-powermaster
They were telling me that it is completely redesigned to actually work! and be dependable.