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Ford 226 Oil Pressure on a Rebuild

 
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Old 09-25-2015, 09:53 AM
Vegas123
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Ford 226 Oil Pressure on a Rebuild

Hello,

So I finally got around to starting up my recently rebuilt ford 226. Upon starting it up I noticed that the oil pressure went up to 80 pounds at idle. But on giving her a little gas oil pressure went beyond the gauge readings, looks like its well beyond 100 psi. Oil pressure remains beyond 100. I am using a mechanical gauge and today hooked up a second one to confirm the readings from the first, it does the same thing.

What could be causing this?? I have only ran the motor 2 times and around 5 min each time.


 
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Old 09-25-2015, 10:01 AM
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I'd guess your oil pressure relief valve is stuck shut. Lots of details on it in this old thread:
https://www.ford-trucks.com/forums/1...aight-6-a.html
 
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Old 09-25-2015, 11:27 AM
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what weight oil are you using?
 
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Old 09-25-2015, 03:26 PM
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Thanks for the tip Ross.

I will check which break in oil I am running tonight.

Thanks
 
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Old 09-25-2015, 08:58 PM
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I am running 15 w-50 break in oil by Joe Gibbs.

Before trying to remove the pressure relief valve I went out back to practice on my old block.

I broke 2 screw drivers.

What is the best way to remove this valve?? Looks like I may need a super size screw driver? I only fear that I may chew up the slotted end before I comes out.

Any ideas???

I was also thinking may be before removing it I try and add some wd40 into the plug right above to try and loosen it up. What do you guys think?
 
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Old 09-25-2015, 09:32 PM
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WD-40 isn't a good penetrant; for an oil system component all gummed up, I'd try straight acetone or lacquer thinner. They make "screwdriver bits" for 3/8" ratchets/breaker bars, likely what you'll need. The hot wrench may help too.
 
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Old 09-26-2015, 10:23 PM
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to remove that valve I used a big 3/8 flathead screwdriver, the biggest one they sell at Lowes in conjunction with a little heat from a mapp torch. The same does not work on the galley plugs so I have a 1/2 flathead socket coming for the impact gun.

Jb
 
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Old 09-27-2015, 01:45 PM
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Thanks for your help!
 
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Old 10-01-2015, 07:45 PM
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So as you can see from the picture, the valve stem is jammed and will not move in the relief valve that I just removed from the rebuild block.

I removed the other relief valve from the 226 block i have on the side of my house.

Thanks Everyone for the tip, looks like the relief valve is stuck closed.

I will try to loosen it up and clean it, or just use the one from my other block.




 
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Old 10-01-2015, 09:43 PM
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PSI now at 50, I only ran it for 1 minute to see if it would go to 100.

Thanks God it Did Not!
 
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Old 10-01-2015, 10:07 PM
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Vegas,

What RPM did you observe the 50?
And did you note any other readings after the fix at any other RPM's?

Reason for asking, I'm wondering what I could expect to see on my 226 if it were rebuilt.

thanks for any info,
Tom
 
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Old 10-02-2015, 07:43 AM
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Hi Buddy,

I am sorry I cannot give much more details since I only ran the engine for about 1 minute. It reached approx 50 pounds at cold start. I do not have an RPM gauge set up, sorry.

I will update this post as I go and let you know how the oil pressure thing goes.
 
 
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