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GMC R 3500 Pickup V8-305 Workshop Service Manuals

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Engine Oil > < Engine Mount|Specifications|Page 1325

1987 R 3500 P/U 2WD V8-305 50L Engine Lubrication: Engine Oil Pressure Specs

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Engine Oil Pressure: Specifications

Oil Pressure:      

10 psi @ 500 RPM
30-55 psi @ 2000 RPM

Engine Oil > < Engine Mount|Specifications|Page 1325