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Intake Manifold > < Oil Pressure Warning Lamp/Indicator|Description and Operation|Page 2098

C 2500 Suburban 2WD V8-454 7.4L (1994)

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Engine Oil Pressure: Specifications

Normal Oil Pressure, psi .............................................................................................................. 10 psi @ 500 RPM minimum; 40-60 psi @ 2000 RPM.

Intake Manifold > < Oil Pressure Warning Lamp/Indicator|Description and Operation|Page 2098