OIL PUMP OUTPUT
25 April 2008, 09:38 AM
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From a copy of an 04STi manual that I have as follows.
600rpm 14psi 4.6 l/min at 80 degC
5000rpm 43psi 47 l/min at 80 degC
Oil light switch set at 2.1psi
Although this is whats stated in the manual I get 33psi at 750rpm idle and 90psi at 5000rpm, being a positive displacement pump I think the flows strated can be believed but the discharge pressure must depend on the state of the engine.
600rpm 14psi 4.6 l/min at 80 degC
5000rpm 43psi 47 l/min at 80 degC
Oil light switch set at 2.1psi
Although this is whats stated in the manual I get 33psi at 750rpm idle and 90psi at 5000rpm, being a positive displacement pump I think the flows strated can be believed but the discharge pressure must depend on the state of the engine.
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