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running@idle oil pressure for a ford jubilee

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ejensen
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PostPosted: Fri Nov 08, 2013 4:40 pm    Post subject: running@idle oil pressure for a ford jubilee Reply to specific post Reply with quote

The jubilee I have idles at 20-25 psi and when running at 1200- 1500 oil psi is 40-45. What is the correct oil pressure ?
 
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Jimmyjack
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PostPosted: Fri Nov 08, 2013 4:48 pm    Post subject: Re: running@idle oil pressure for a ford jubilee Reply to specific post Reply with quote

A lot of people would cry for those numbers.
 
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souNdguy
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PostPosted: Fri Nov 08, 2013 5:04 pm    Post subject: Re: running@idle oil pressure for a ford jubilee Reply to specific post Reply with quote

she's showing wear.. but still has decades to go.

A GOOD healthy red tiger can generally maintain high 40's oil pressure at hot idle, and bump 60 cold throttle startup depending on oil viscosity and outside temps.

Your numbers are still fine.. that engine has just seen plenty of work
 
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old
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PostPosted: Fri Nov 08, 2013 6:01 pm    Post subject: Re: running@idle oil pressure for a ford jubilee Reply to specific post Reply with quote

You have no problem with those numbers.
 
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Bern
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PostPosted: Fri Nov 08, 2013 6:59 pm    Post subject: Re: running@idle oil pressure for a ford jubilee Reply to specific post Reply with quote

Is that cold or hot oil? It makes a difference. If those are hot numbers, you're fine. If those are cold numbers, post back some hot ones.
 
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ejensen
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PostPosted: Fri Nov 08, 2013 7:05 pm    Post subject: Re: running@idle oil pressure for a ford jubilee Reply to specific post Reply with quote

oil pressure figures are after engine is warm.
Thanks for the reply
 
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ejensen
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PostPosted: Fri Nov 08, 2013 7:38 pm    Post subject: Re: running@idle oil pressure for a ford jubilee Reply to specific post Reply with quote

Hi Rich,
Oil pressure at cold start up pins the gauge at 50lbs. Probably a replacement gauge as my 2n and 8n have gauges that go to 80psi.
When opening up the engine to 1300-1500 rpm needle goes to 50 then back to 45 then up again. Probably the pressure relief valve opening@closing. Idles 20-25
 
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ejensen
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PostPosted: Fri Nov 08, 2013 7:41 pm    Post subject: Re: running@idle oil pressure for a ford jubilee Reply to specific post Reply with quote

Thank you
 
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old
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PostPosted: Fri Nov 08, 2013 8:46 pm    Post subject: Re: running@idle oil pressure for a ford jubilee Reply to specific post Reply with quote

On many of these old tractor at idle any thing above 10 psi is bragging numbers. If you where talking a A/C tractor 10 is high at idle but then that is a horse of a different color
 
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TimInd
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PostPosted: Fri Nov 08, 2013 9:51 pm    Post subject: Re: running@idle oil pressure for a ford jubilee Reply to specific post Reply with quote

Ah, sorry, I don't believe those numbers for 2 reasons: 1.) You said those numbers are the same hot or cold. Can't be. Those numbers must go down when she heats up. 2.) Even on a new Jubilee engine, those numbers are too high. I would think replace the gauge and try again.
 
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ejensen
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PostPosted: Fri Nov 08, 2013 9:53 pm    Post subject: Re: running@idle oil pressure for a ford jubilee Reply to specific post Reply with quote

jimmyjack,
Sounds like my jube is ok in the oil pressure area

Thanks
 
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barney stephens
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PostPosted: Sat Nov 09, 2013 5:02 am    Post subject: Re: running@idle oil pressure for a ford jubilee Reply to specific post Reply with quote

comment is for ejensen,be happy with your oil pressure me and a friend of mine have just recently finished doing a complete overhaul of a 640 134cid engine.I tend to think the oil pressure is to high i.e.its above 60psi on start-up.after warm-up it changes with rpm also if she drops a few drops of oil on the groung keep on tractoring,as another fellow said,she marking her territoty.The alamule!!
 
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36 Coupe
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PostPosted: Sat Nov 09, 2013 5:51 am    Post subject: Re: running@idle oil pressure for a ford jubilee Reply to specific post Reply with quote

I have a 640 that has run 50/60 pounds hot or cold for 27 years.Never say never.I have put new rod and main bearings in engines that hold steady pressure.
 
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Geo-TH,In
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PostPosted: Sat Nov 09, 2013 6:09 am    Post subject: Re: running@idle oil pressure for a ford jubilee Reply to specific post Reply with quote

ejensen,
Before I purchased my jubilee, someone put a spin on filter on it. IMHO, biggie mistake. If I let mine sit for a few days and remove filter, half the oil has drained back. I've tried every filter out there. All do the same. So when I start mine after sitting for a spell, there is no oil pressure for 10-15 seconds. Depending on how long it sits.

I went to wally world and purchased 5 qts of full synthetic oil, thinking synthetic oil may provide better protection on dry starts.

Some say synthetic oil causes oil leaks. My engine was recently rebuilt, so no oil leaks.

Cold start up 40+ psi, Warm idle 20+ psi

How long does it take you to build oil pressure?
George
 
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36 Coupe
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PostPosted: Sat Nov 09, 2013 6:21 am    Post subject: Re: running@idle oil pressure for a ford jubilee Reply to specific post Reply with quote

Take a look at the plate in the engine block next time you have the filter off.The hole in the plate should at 12 oclock.Dufus puts the plate in at 6 oclock so the oil drains out everytime the engine stops.I will NOT use a spin on filter on my tractor.
 
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