M Mustangfan Founding Member Jun 26, 2002 75 1 9 Jun 8, 2005 #1 Jun 8, 2005 #1 What doe's the duration Int./Exh., and Lift Int./Exh. mean, and what doe's it do?
maverick0716 Founding Member Jan 12, 2002 3,924 0 56 Chilliwack, BC, Canada Jun 8, 2005 #2 Jun 8, 2005 #2 Duration is how long the valves stay open....the bigger the number the longer they stay open. Lift is how "high" the valve opens. You can't usually hear a high lift cam but you can definitly hear long duration.
Duration is how long the valves stay open....the bigger the number the longer they stay open. Lift is how "high" the valve opens. You can't usually hear a high lift cam but you can definitly hear long duration.