https://www.strongandproud.ca/c11 > Bill C-11 is now in the Senate, where it has the chance to be tossed out, or at least seriously ammended. Check out our video on why C-11 is bad for Canada, and then please sign our letter to regional Senators asking them to do the right thing, and uphold your free speech rights online. | Proud To Be Canadian

42K views · 517 shares | What is variable valve lift? What is variable valve timing? We're going to look at the valvtrain from a 2009 Audi 2.0L I4 Turbo engine to check out the differences. Variable valve lift is used to enhance performance depending on the RPM and load, while variable valve timing is typically used for emissions control (lowering combustion temperatures and thus reducing NOx), but also has performance and efficiency benefits as well. | Engineering Explained | Facebook