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Originally Posted by EdKiefer
Dry sump oil pumps have more drain on HP then wet sump oil pump .
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Not necessarlly. It all depends on the design and intended use. However, most are over designed.
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There is a vid of big block wet sump on dyno that they remove 1 qt and it gained noticeable amount of hp. this was large wet sump i believe 6qt ,so they ran 5 qt .
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Less volume of oil in the crankcase = less windage = less hp to spin the crank = more overall hp
Using a extra quart oil pan with one less quart of oil helps to achieve this without loss of original intended capacity.
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