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Dry Sump Systems
Any serious race engine should have a dry sump system. It releases the engine from the power loss of a crank driven oil pump, avoids oil starvation and allows the engine to be mounted as low as possible in the chassis.
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In a dry sump, extra oil is stored in a tank outside the engine rather than in the oil pan. There are at least two oil pumps in a dry sump -- one pulls oil from the sump and sends it to the tank, and the other takes oil from the tank and sends it to lubricate the engine. The minimum amount of oil possible remains in the engine. |
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Dry sump systems have several important advantages over wet sumps:
o Because a dry sump does not need to have an oil pan big enough to hold the oil under the engine, the main mass of the engine can be placed lower in the vehicle. This helps lower the center of gravity and can also help aerodynamics (by allowing a lower hoodline).
o The oil capacity of a dry sump can be as big as you want. The tank holding the oil can be placed anywhere on the vehicle.
o In a wet sump, turning, braking and acceleration can cause the oil to pool on one side of the engine. This sloshing can dip the crankshaft into the oil as it turns or uncover the pump's pick-up tube.
o Excess oil around the crankshaft in a wet sump can get on the shaft and cut horsepower.
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The disadvantage of the dry sump is the increased weight, complexity and cost from the extra pump and the tank -- but that's a small price to pay for such big benefits.
As an option we can fit a dry sump system to any engine. Most serious race engines use a dry sump system.
The systems we fit not only match the requirements of the engine and the application, but also do not affect the structural integrity of the engine (Often a wet sum pan forms part of the overall strength of the engine).
All aspects of fitting and fabrication (including custom sump pans) are dealt with and we fit only trusted components from 3rd party manufacturers.
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