FixVault
Home
›
Mazda
›
1978
›
Cosmo Automatic Trans
›
Repair and Diagnosis
›
Engine Mechanical
›
Mechanical
›
RX-4 & COSMO Rotary Engine
›
Engine Oiling
›
Normal Oil Pressure
Normal Oil Pressure
14-54 psi at engine idle speed; 64-79 psi at 3000 RPM.