525 efi oil pressure loss?
#21
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Originally Posted by gsmith9898
well I cut the filter apart. I did not see anything wrong with it.
#22
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I don't see anything. I even took a magnet and did not get and shavings. The oil did seem a little thick around the filter.
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GOODT told you right, You need 40w oil. I have had great use with Valvoline Racing 40w oil. I uses the Napa 1061 oil filters that are made from wix. They are painted black which looks much better than a orange filter. Pill off the napa decal and you done.
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my manual says do not use straight weight oils. The problem I'm having now is not the oil. I have not changed oil. I have always used mobile one 15-50. My pressure was around 80# and went to 20# and will peak out at 22#. I ran all last year and and run all day and never drop below 50# in july. This is something wrong, not oil thickness.
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Have you tried a manual pressure gauge? I had a problem with my oil pressure sender once and it hung out from zero to 20 to 0 to 30 to 0 Etc. Changed the sender and all was well. Merc installs them down on the 3/8 rear plug that cars use for oil coolers. Try changing that, to see if the problem corrects. It has a wire with a 90 connection and hang verticle upside down from a tee.
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I changed the filter and tested today. It was the filter. Pressure went up and jryan and myself drove around for a cople of hours and no problems. I will never use a fram again. I had never even heard of a problem like that.