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1983 57 sudden oil pressure increase

beachbum

New member
my 83 wellcraft with 5.7 all s

my 83 wellcraft with 5.7 all sudden had 20 25 pound increase oil pressure is this reason for concern went from 40 to 60 70 pounds was checked by mechanic with what he said was mechanical guage to make sure was not guage in boat oil + filter changed it made no differance engine sound and run good
 
"I'd be a bit aprehensive,

"I'd be a bit aprehensive, but I'd not worry nearly as much about that increase as I would if it was a decrease. How long have you owned/operated boat with oil pressure at it's former reading? If oil & filter are same basic weight and brand as you've allways run some change in oil pump or by pass valve are about the only things that would affect pressure in that manner. Is engine temp in same range as before? Pressure will remain high if temp does not rise (stuck open thermostat).

Bob"
 
owned boat 3 years now always

owned boat 3 years now always same pressure went up half way between oil change time uses no oil temp is same all time just went up in middle of day while cruising at 3000 3200
 
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