Another oil pressure question
#1
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Another oil pressure question
Just rebuilt both motors, put on new oil pumps. Port motor with new sending unit reads 80psi...drops maybe 1 or 2 psi on idle. The starboard motor with old sending unit reads 40psi. idle and about 60psi. WOT just like both of them did last year befor the rebuilds. could I possibly have a bad {new} sending unit?? or could it be the guage itself
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I had to order my sending units seperate from my gaffrigs. Don't believe them when they say your merc senders will work with the gaffrigs. Maybe they will, maybe they won't. Spend the $10 on a new sender and avoid changing it twice. Mine are a major PIA and I had to do it twice. If you use the wrong sender the gage movement (voltage reference) will be backwards.
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