Harley Roller Rockers Vs Stock at Callum Winter-irving blog

Harley Roller Rockers Vs Stock. Magnum roller rocker arms are made from 8620 chromemoly steel. For our first set of tests with the stock head, we compared stock rocker arms with a 1:1.26 ratio to the 1:1.5 ratio roller rockers. On a highly modified engine, with a very high lift cam, it's hard to get the rocker to valve geometry correct, thus roller rockers can. This makes them stronger than die cast aluminum. Roller rockers aren't really needed until greater than.550 lift to prevent side load pressure on the valve stem. The ratio is the relationship between the lift at the cam (lobe lift) and the mechanical advantage provided by the rockers to provide. I think the 37g cam. In this video david freiburger and company perform a series of tests to find out if. Opinions vary concerning the point where stock rocker arms need to be replaced for roller rockers. The ratios increased the 0.295 inch of lift. They range from cam lifts of.550.

This makes them stronger than die cast aluminum. Opinions vary concerning the point where stock rocker arms need to be replaced for roller rockers. Magnum roller rocker arms are made from 8620 chromemoly steel. The ratios increased the 0.295 inch of lift. The ratio is the relationship between the lift at the cam (lobe lift) and the mechanical advantage provided by the rockers to provide. I think the 37g cam. In this video david freiburger and company perform a series of tests to find out if. For our first set of tests with the stock head, we compared stock rocker arms with a 1:1.26 ratio to the 1:1.5 ratio roller rockers. They range from cam lifts of.550. On a highly modified engine, with a very high lift cam, it's hard to get the rocker to valve geometry correct, thus roller rockers can.

Harley Rocker custom YouTube

Harley Roller Rockers Vs Stock For our first set of tests with the stock head, we compared stock rocker arms with a 1:1.26 ratio to the 1:1.5 ratio roller rockers. Roller rockers aren't really needed until greater than.550 lift to prevent side load pressure on the valve stem. The ratio is the relationship between the lift at the cam (lobe lift) and the mechanical advantage provided by the rockers to provide. For our first set of tests with the stock head, we compared stock rocker arms with a 1:1.26 ratio to the 1:1.5 ratio roller rockers. In this video david freiburger and company perform a series of tests to find out if. This makes them stronger than die cast aluminum. On a highly modified engine, with a very high lift cam, it's hard to get the rocker to valve geometry correct, thus roller rockers can. The ratios increased the 0.295 inch of lift. Magnum roller rocker arms are made from 8620 chromemoly steel. I think the 37g cam. They range from cam lifts of.550. Opinions vary concerning the point where stock rocker arms need to be replaced for roller rockers.