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Originally Posted by Sneaky Pete
By increasing the RB clearance from 0.0017 to 0.0025 we observe an increase of oil flow from 3.2 to 6.5 gpm - where the increase of 3.3 gpm must be flowing through the RBs.
However, referencing the King Bearing graph above the prediction is for an increase in flow of only ~0.55 gpm (an ~ 55% increase).
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First of all, are you sure the cylinder pressure of the S65 is 12000 PSI? These values are different for different cylinder pressures, as the King article demonstrated.
Quote:
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How do you reconcile the predicted figure of 0.55 gpm with your clearly implausible increase of 3.3 gpm!
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Show how you calculated this number.
Do you believe that BMW made a mistake on the S54 when they increased the rod bearing clearance to the same ratio now used by BE on the S65, and recommended by both Clevite and King? Also do you have any data to back up your supposition that 6.5 GPM @ 5800 RPMs or 8.0 GPM @ 8400 RPMs is dangerous for the engine?