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Oil film on Water

J

Jerry Tremain

Guest
"1989 -Mercruiser 7.4 inboard

"1989 -Mercruiser 7.4 inboard 1000 hours, when idling exhaust emmits film of oil on water. Will use one quart of oil apprx 1 hr . No blue smoke from exhaust. No oil in bigle. Engine starts and runs GREAT! Do Not Experience oil consumption as cruising speed, as we do at idle. Oil Pressure at 40PSI- changed sending unit."
 
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