| Oil Pressure | |
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cwomustang New Member
Number of posts : 4 Registration date : 2009-07-11
| Subject: Oil Pressure Sat 8 Aug - 11:39 | |
| Got a question about oil pressure. When I start up the car, the oil pressure reading on the gauge is fine. (needle goes up to about 3/4 between low and high) Once the engine warms up (about 15 minutes into a drive) the needle slowly starts dropping down to low (like, 0) which takes about 10-15 minutes. So in a 30 minute period driving, I lose my oil pressure. In the research I've done I've heard of everything from new sending unit to thicker oil to new oil filter to bad bearings. Has anyone seen this in their Mach 1? If so, what was the fix?
R/ Don | |
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1970twisterspecial Mach1 Veteran
Number of posts : 105 Age : 52 Your location : Netherlands Registration date : 2007-12-24
| Subject: Re: Oil Pressure Sat 8 Aug - 13:02 | |
| Are the other dash meter spot on ? If the fuel ain't spot on with a full tank, than the problem is the dash regulator. If that's OK, replace the oilpressure sender first. This can be tough if you have a Cleveland engine, where it's behind the intake manifold, close to the firewall. | |
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cwomustang New Member
Number of posts : 4 Registration date : 2009-07-11
| Subject: Re: Oil Pressure Sat 8 Aug - 17:16 | |
| The rest of the dash gauges check 4.0. I think I'm going to try replacing the sending unit. I'll let you know how that goes. (good thing I've got the 351W, eh?) Thanks for the reply, Ronald. | |
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seany-boy Mach1 Veteran
Number of posts : 158 Age : 63 Your location : Australia Registration date : 2008-07-28
| Subject: Re: Oil Pressure Sun 9 Aug - 21:06 | |
| What sort of oil pressure reading do folks have on their gauge? On my cleveland it sits what I think is pretty low the whole time does not really go up or down significantly, maybe 1/4 up the guage. The fuel guage seems fine.
Sean | |
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Mike Riley Mach1 Enthusiast
Number of posts : 33 Registration date : 2008-06-09
| Subject: Re: Oil Pressure Tue 11 Aug - 1:01 | |
| I have a factory tach - I have the "idiot light" rather than a gauge. So, I purchased a console pod and ran AutoMeter electric oil pressure and Amp gauges. My Cleveland is still in the break-in period, but it keeps consistent 60-75 lbs. Most of the time you get inconsistent oil pressure readings it is the sending unit. Hope it is that - much cheaper and easier fix than the dash gauge. Good luck. | |
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seany-boy Mach1 Veteran
Number of posts : 158 Age : 63 Your location : Australia Registration date : 2008-07-28
| Subject: Re: Oil Pressure Wed 12 Aug - 4:29 | |
| cheers Mike, I will try that.
Sean | |
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cwomustang New Member
Number of posts : 4 Registration date : 2009-07-11
| Subject: Re: Oil Pressure Thu 13 Aug - 17:21 | |
| Well, I changed my oil sending unit today. I also did a quick oil change as the sending unit on a W motor is directly above the oil filter. All seems to well again. Oil pressure gauge reading at about the 1/4 mark at idle. Get her up to speed and she's steady at the 1/2 mark. R/ Don | |
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Mike Riley Mach1 Enthusiast
Number of posts : 33 Registration date : 2008-06-09
| Subject: Re: Oil Pressure Fri 14 Aug - 0:05 | |
| Seany-boy I think you'll be happy with the console pod gauges. Looks better than the ashtray and gives you 2 accurate gauges. The only caveat is they have LED lights so they don't dim like the dash, but who cares most of the time I have the dash turned up all the way at night anyhow. Both my Auto Meter gauges are very easy to see at night. My amp gauge actually signaled a short in my headlight dimmer switch for me - so it has already "paid" for itself. | |
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