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We performed an interesting rocker ratio test and discovered that changing from a 1.50:1 rocker to a 1.62:1 rocker arm was worth 5 psi of cranking compression. This may not be valid for all engines, but it did work on ours.
Crank It!

 We performed an interesting rocker ratio test and discovered that changing from a 1.50:1 rocker to a 1.62:1 rocker arm was worth 5 psi of cranking compression. This may not be valid for all engines, but it did work on ours.  View Related Article

 

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