Oil Pressure
WARNING: This page is about a different car, the 1993 Suzuki Swift. However, it is still accessible from the selected car via links, so may be relevant.
On Swift SOHC, normal oil pressure is 46.9-61.2 psi (3.3-4.3 kg/cm2 ) at 4000 RPM. On Swift DOHC, normal oil pressure is 54.1-68.3 psi (3.8-4.8 kg/cm2 ) at 4000 RPM.