Re: oil pressure

Posted by Morgan On 2011/12/20 16:03:36

My 55 patrician has developed an oil pressure issue. I changed the oil, using Castrol 10W-30 conventional with the C-4 Fram filter and noted to my satisfaction that the oil pressure increased by about one quarter. The next day the gauge showed one quarter less so I drained a quart and topped it off with Lucas heavy duty oil stabilizer. Simple fix I thought and the pressure was back up. The next day the pressure is down again. Should I have used the C-4P filter instead and 10W-40? I live in Florida and it is like 80 degrees today. The engine runs very smooth without any lifter noise (they were changed last year).