Billet Oil Pump Gear Group Buy ???

GJMcManus said:

If chrisandalex1 (luxury prerunner raptor) or sprsnk has not done it yet then it is not needed.. Lol

-Greg

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Macman said:

Interesting, whats the pricing on these if they did get 10 sets?

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PropDr said:

That is ugly!
What are the OEM gears made of? Pot metal?

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start with the stock oil pump.

It is a crank driven oil pump and the drive mechanism is the pump itself. It is a very efficient design but at the cost of reliability in a high hp or revving environment. The Ford system uses a weaker metal in the oil pump vs the material of the crank itself. There is a sound reason behind this, harmonics control. Harmonics are high frequency oscillations in the engine, these high frequency oscillations are transfered directly to the oil pump drive mechanism. High frequency oscillations are created by the pistons/rods and the forces being created on them. These frequencies are then transferred to the crank. The oscillations on the crank then creates a small chattering or hammering effect on the stock oil pump drive.



Now why would Ford not use a cryo or billet metal gear? The answer is simple. Oscillations or harmonics in the crank cause this vibrating and oscillation on the oil pump drive. The softer metal of the oil pump can usually flex without damaging the crank or the oil pump itself since steel is a true elastic material. The problem with the soft metal is that at elevated RPM and power levels the oscillations can be so intense that the pump may actually break causing an internally damaged oil pump with broken gearing which can potentially damage the engine.

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