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Order Ford 600 Parts Online

Ford 600 high oil pressure

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Tracy Brown

07-11-2016 18:45:53




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I bought a non running 600 a while back. Been setting a couple of years. Got it started pretty easy but the oil pressure is around 60-70 psi. It also was pushing oil out at the spin on filter. I installed a new filter and tightened it with a wrench (usually only good hand tight). I thought it might have spun a bearing and blocked off an oil passage but the engine sounds fine and the new (tightened ) oil filter does not leak. I ran it long enough that a spun bearing should have shown up. What do you good folks think? This tractor is pretty rough around the edges and bad tires so I plan to part it out but I don't want to sell someone a ??? Engine. Engine temp seems fine also.

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Texasmark1

07-14-2016 06:03:31




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 Re: Ford 600 high oil pressure in reply to Tracy Brown, 07-11-2016 18:45:53  
I was reading the Wikipedia post on the Ford V8 engine and ran across this.....hope I'm not violating any copyright law....doubt it:

Lubrication[edit]
Also unlike the Chevrolet inline 6, Ford products used high oil pressure for lubrication for the main and rod bearings, as do all modern vehicle combustion engines. While this offered no special performance advantage it did eliminate a complex oil jet system in the oil pan. As a side benefit to a prospective purchaser of a used vehicle, this also enabled the condition of the connecting rod and main bearings to be determined indirectly by observation of the analog oil pressure gauge after the vehicle was warmed up, provided that oil of normal viscosity was in use.

I don't know what the numbers were but sort of goes along with with what we are seeing in our Ford tractors!

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Texasmark1

07-12-2016 19:16:35




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 Re: Ford 600 high oil pressure in reply to Tracy Brown, 07-11-2016 18:45:53  
Quoting Removed, click Modern View to see Is yours a gasser? I have a diesel and run C rated oils, aka the 15w-40 which help to drive it up.



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Destroked 450

07-12-2016 06:24:40




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 Re: Ford 600 high oil pressure in reply to Tracy Brown, 07-11-2016 18:45:53  
Ford doesn't have a oil pressure relief in the block like JD, the relief is in the oil pump. Dads old 850 had 60-80 psi cold and ran 40-50 hot, 20 hot idle. My brothers 601 diesels run 60-80 cold.
I recently connected a mechanical gauge to my 4000SU three cylinder tractor to check it's oil pressure due to the light coming on at hot idle. Oil pressure was 75 psi cold, 45 hot and 25 hot idle, replaced the sending unit fixing the problem.

60-80 psi cold is normal on a Ford.

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soundguy

07-12-2016 06:17:42




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 Re: Ford 600 high oil pressure in reply to Tracy Brown, 07-11-2016 18:45:53  
I'm in agreement with the others.

this MAY be normal.

what oil is in it? anything heavier than 15w40 will start driving the pressures up. cold throttle oil pressure, especially right after startup can for sure get high. i have a 660 that can mae 60 psi at startup.

Is the oil pressure gage original.. if yes, you could replace it.. it might be reading a hair off.

add all those up and you could have normal pressures.

post back

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Bern

07-11-2016 20:28:11




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 Re: Ford 600 high oil pressure in reply to Tracy Brown, 07-11-2016 18:45:53  
60-70 PSI cold is quite normal. At what temps and RPMs are you seeing this?



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old

07-11-2016 19:43:36




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 Re: Ford 600 high oil pressure in reply to Tracy Brown, 07-11-2016 18:45:53  
Oil pump relief valve could be stuck closed which will cause high pressures and can and will blow out gaskets etc. Had that happen on a 1971 Chev Vega



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Texasmark1

07-12-2016 05:52:01




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 Re: Ford 600 high oil pressure in reply to old, 07-11-2016 19:43:36  
Funny you say that. I have been waiting 15 years for mine to turn loose....if it has one, and it hasn't. If I had one I don't know where it is.



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Tracy Brown

07-12-2016 04:59:27




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 Re: Ford 600 high oil pressure in reply to old, 07-11-2016 19:43:36  
Since this tractor had been setting for a while, if that's what it is, what do you think the chances are that it will turn loose with a few warm up and cool down cycles?



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old

07-12-2016 09:35:35




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 Re: Ford 600 high oil pressure in reply to Tracy Brown, 07-12-2016 04:59:27  
Never know it may free up on its own or it may be a problem till you open up the engine to get to the oil pump



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Texasmark1

07-11-2016 19:19:05




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 Re: Ford 600 high oil pressure in reply to Tracy Brown, 07-11-2016 18:45:53  
I have a 63 2000D, a blue 600 if you will, 30 hp and it runs 40 at idle after a hard workout with Any 15W 40 I put in it. On startup it will go over into the 60-70 area on cool days. Has about 3700 original hours, about 800 of those and about 15 years are mine, never had a wrench on the main engine, replaced some attachments....gen, starter, water pump sort of things. Runs like a top. I initially worried about it but had a couple more Fords of the era and they ran high too. Guess they don't have an oil pressure limit switch like my JDs had. On the JD you set it for 30 psig and that's as far as it goes. I don't remember seeing in my pile of Ford service manuals (pile is about 6" high of different models) anything about limiting oil pressure.

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rdobbs

07-12-2016 10:10:59




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 Re: Ford 600 high oil pressure in reply to Texasmark1, 07-11-2016 19:19:05  
I've had my 600 over 20 years. Run 10W30 in it. It has
always run 40 Lb pressure hot or cold.



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