still doing my research for power brakes with low vacuum and came along with this vacuum pump and was wonder if anyone used one seams to be more simple than a hydroboost , I know older vacuum pupers were louder and some had decent good results, its a bit cheaper and keeps the engine bay cleaner looking. click the youtube link and tell me what you think
https://www.youtube.com/watch?v=p24YCsj4Buo