I have a thundercraft 29' with two Mercruiser 4.3 LX (1989). Since a while, I have an intermittent low pressure problem on my left engine. The problem occurs when the engine is hot after running a while at cruising speed. My gauge shows from 0 to 10 PSI. The engine is running well and I didn't...
I have a thudercraft with two Mercruiser 4.3 LX 1989. Recently i realized that my oil pressure on one engine is running at 20 (more or less) for the first 20 minutes even if at 3400 RPM. My other engine is around 40, 45.<br /><br />After 20 minutes, the pressure is at 40 but the guage does'nt...
