Oil Pressure

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Feb 26, 2015 | 05:34 PM

#16

72Lime

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Joined: Feb 2015

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From: Surprise

I have a Modified 390 FE and when I get heavy on my pedal my Oil pressure shoots up to 80+ shall I be concerned?

Feb 26, 2015 | 05:37 PM

#17

72Lime

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From: Surprise

Feb 26, 2015 | 06:29 PM

#18

sandman2102

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Joined: Aug 2014

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Does your truck have a mechanical guage or an electrical one? My 302 bronco engine sometimes reads 70+ on the electrical hookup. My 360 in my truck reads low but after a rebuild years ago, the guage read about middle pressure but some spring in the oil pump went bad and the high pressure blew out the side of the oil filter...pulled the pan...replaced oil pump...no more problems. I don't think i would be too concerned about 80 lbs, but check your filter case and see if it looks kind of swollen.

Feb 26, 2015 | 06:36 PM

#19

72Lime

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From: Surprise

I checked I run full synthetic with a high flow Mobile One filter and also in my wife's 2005 explorer I just realized her oil pressure runs a little high too. And yes I have electrical gauge. Note that my displacement is bored .040 over too and I have a 12:1 compression ratio run 91 octane or higher and a 7Qt oil pan.

Feb 26, 2015 | 07:05 PM

#20

Mister_King

Tuned

Joined: Oct 2014

Posts: 419

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From: Rimrock, AZ

Is this on an FE engine?

My FE 360 has too high of oil pressure. It sits at the very high end of normal at idle and will go up to as far to the right as it can when RPMs go up. I may have a broken sending unit / gauge. I figure it is better it is showing some oil pressure than none, but I don't believe too high is good. (This is running 10-30W oil.)

Feb 26, 2015 | 07:09 PM

#21

72Lime

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Joined: Feb 2015

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From: Surprise

Yes FE only above 2,500 RPS is it ever that high it stays at about 40 at idle. I'm running 10W 30

Feb 26, 2015 | 09:59 PM

#22

orich

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Joined: Aug 2003

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From: **** hole San Jose ca.

My brother had a 1970 c/s 360 had his pump screw up also back in about 1975 he use 10/30 and morning start up would blow out the filter o-ring seal a number of times.

Tried running some a qt. diesel in the crankcase to see if that would clean the pumps pressure spring some. It stopped blowing the filter o-ring and never had that trouble again but he was not real good at changing oil on it either.

I seem to remember he said once he had like about 7k with out changing it. After the filter ordeal he started changing 3-4k.

But the Ford truck glove box hand book manual does says up to 6k and that's what he was going by.

orich

Feb 26, 2015 | 10:37 PM

#23

351Cleveland C4

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Joined: Jul 2011

Posts: 8,679

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From: On the Edge of the Desert

I can get my cleveland up to about 92psi when it's cold and at 2500rpm. When it's warmed up it runs 58-60psi cruising. And idles at about 28-32.

But I have always heard that FEs run on the low side. As long as it has pressure it should be fine.