XfireZ51
07-09-2013, 09:41 AM
Somebody was on track to trying this. Looks to be significant hp gains.
http://www.lsxtv.com/tech-stories/engine/tech-how-external-vacuum-pumps-free-up-horsepower/?utm_source=rss&utm_medium=rss&utm_campaign=tech-how-external-vacuum-pumps-free-up-horsepower
http://www.lsxtv.com/tech-stories/engine/tech-how-external-vacuum-pumps-free-up-horsepower/?utm_source=rss&utm_medium=rss&utm_campaign=tech-how-external-vacuum-pumps-free-up-horsepower