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Alexander Rocker Supports

Posted by on October 01, 2009 at 13:09:48:

Spent some time with my machine shop this morning looking at my Alexander head. It came without rockers & shaft. But, what is puzzling is the ratio of the rocker. Whereas my roller rockers are 1.5:1, the rockers for the Alexander head, if done to original specs, would be c. 0.75:1. Giving less valve opening as a result of a given cam lift.

Am I missing something here?

Stock 948 rocker is 1.25:1.

Norm


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