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Ford 2712E Erratic Oil Pressure Problem (80hp)

Neptune2

New member
For the first hour the oil pressure is steady at 40 psi at 1600 revs. Then for the next half hour the needle flickers between 35 and 45 psi. After that, or if I increase the revs very slightly the pressure gauge tops out at 80 psi. There is no noticeable difference in engine performance or noise. Any ideas?
 
Could be an indicator issue. Is it an electric or mechanical gauge? If electrical, could be a bad sender or gauge, if mechanical, substitute another known good gauge.


For the first hour the oil pressure is steady at 40 psi at 1600 revs. Then for the next half hour the needle flickers between 35 and 45 psi. After that, or if I increase the revs very slightly the pressure gauge tops out at 80 psi. There is no noticeable difference in engine performance or noise. Any ideas?
 
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