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The Importance of Compression Ratios and how to Measure Them » DR-1103-PISTON-17

Then he deducts the diameter of the ball and adds half the crank main’s journal diameter. On a Kaase Boss Nine engine the diameter of the mains journal is 3.193 inches; therefore, to establish his block deck height he takes his dial gauge measurement, subtracts the steel ball measurement and adds1.5965 inches.

Then he deducts the diameter of the ball and adds half the crank main’s journal diameter. On a Kaase Boss Nine engine the diameter of the mains journal is 3.193 inches; therefore, to establish his block deck height he takes his dial gauge measurement, subtracts the steel ball measurement and adds1.5965 inches.


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