Fluxuating oil pressure
#565080
12/28/09 04:51 PM
12/28/09 04:51 PM
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Joined: Jan 2003
Posts: 2,048 N.E.Ohio
Polarabill
OP
top fuel
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OP
top fuel
Joined: Jan 2003
Posts: 2,048
N.E.Ohio
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I have a fairly fresh rebuilt 73 440(under 2000miles on it). At times when driving at 55-65 mph the oil pressure will slowly start dropping. it will go from 60 to almost 0.when I let off the gas for a moment it starts climbing again.I'm thinking I need a breather in the valve covers since there are none. It does have a pcv vent to the carb.Do you think I'm on the right track or is there something else I need to check?
This would be so much easier if I knew what I was doing...
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Re: Fluxuating oil pressure
[Re: dOrk !]
#565090
12/28/09 06:07 PM
12/28/09 06:07 PM
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Joined: Jan 2003
Posts: 2,048 N.E.Ohio
Polarabill
OP
top fuel
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OP
top fuel
Joined: Jan 2003
Posts: 2,048
N.E.Ohio
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Thanks for the info.I think I'll replace the sending unit and mount a temporary gauge and see what happens.
This would be so much easier if I knew what I was doing...
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Re: Fluxuating oil pressure
[Re: Polarabill]
#565095
12/31/09 10:50 AM
12/31/09 10:50 AM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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I would take off the oil pump regulator plug & give the plunger/spring a good visual or maybe sub in another pump (check clearances/clean it 1st). You would want a breather on one valve cover and the pcv to the carb base on the other valve cover. EDIT As said gauge & sending unit 1st
Last edited by RapidRobert; 12/31/09 10:53 AM.
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