Thread: roller rocker arms?

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Here's an example of an ideal tip position that you should achieve. Some 1.6 rockers can tend to place themselves at a different contact from the original 1.5 position and instead of keeping a good centerline axis, it it increases the degree of inward sweep changing the tip arc not true to the valve centerline. Some manufacturers always pushed the pushrod closer to the fulcrum and this does tend to create an extra load on the rod and clearancing in the pushrod guide area will have to be accomodated.