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11-26-2019, 01:00 PM | #21 | |
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Re: Oil Filter Model A on timing cover
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Anything else needed? I seem to remember something about a need to convert to a pressurized oil system when running a filter, or perhaps I am confusing running a filter and pressurized oil system when going to insert bearings? How many miles did your oil start getting dark before adding a filter? |
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11-26-2019, 06:41 PM | #22 | |
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Re: Oil Filter Model A on timing cover
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11-26-2019, 06:50 PM | #23 |
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Re: Oil Filter Model A on timing cover
Thanks Jim, wanted the comparison. On my truck at 500 miles mine is black, not running a filter. I keep hearing about people with no filter getting 800-1000 miles before it turns black - no filter.
May consider putting on a filter next year, have resisted so far thinking it is not needed with 500 mile oil changes. But has always bothered me that my oil is so black at 500 miles. Even with rebuilt motor, Berts carb, and decent plug reads. Have considered changing from Shell T4 to something different, have heard claims that Rotella t4 looks dirty sooner than other oils. |
11-26-2019, 09:48 PM | #24 |
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Re: Oil Filter Model A on timing cover
I noticed after rebuilding my block and sealing it with Glyptal the oil stayed clean for a long time with out a filter. Cast iron has a lot of carbon.
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11-27-2019, 11:28 AM | #25 |
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Re: Oil Filter Model A on timing cover
Years ago I had an F-150 w/a 300 CID 6 cylinder. After about 200,000 miles or so I replaced all the main and rod bearing with .001" undersize inserts and also replaced the oil pump w/a high volume pump. After that the oil stayed cleaner a lot longer. I suspect that was due to more oil going through the filter.
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11-30-2019, 02:27 AM | #26 |
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Re: Oil Filter Model A on timing cover
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But this has little influence on the color of the oil. Oil gets darker due to the soot from the combustion entering the oil circuit. If this soot is held in suspension by the oil additives so that it can not settle into the interior of the engine, the oil quickly turns black because the dissolved thin soot can not be retained much by the filter. I would like to say that the color of the oil is hardly dependent on whether a filter is installed or not. The darkening depends on the formation of very fine soot, which occurs especially with a rich mixture on idle and cold running. If you use a good mineral oil over API "SC", the soot remains in suspension and will be flushed out the next time you change oil. In non-cleaning oils (API "AA" or "AB"), the soot inside settles and gradually decomposes into tar in the sump.
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12-13-2019, 11:31 AM | #27 | |
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Re: Oil Filter Model A on timing cover
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I have a unknown part at the end of the oil line in the valve chamber. I don't know the sense. Anyone a hint?
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12-14-2019, 11:36 AM | #28 | |
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Re: Oil Filter Model A on timing cover
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I have no idea as to what that fitting in your block is for. Hopefully some one can tell us.
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12-15-2019, 06:27 PM | #29 |
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Re: Oil Filter Model A on timing cover
Good evening! Thank you for the informations.
I dismantled the mysterious part, it doesn't make sense in my eyes. The filter installation has now been completed. Yes, there were a few twists until the copper pipe fit exactly. But the conversion kit is precisely manufactured. The M & H oil filter is not optimal. It has a non-return flatter valve which unnecessarily obstructs the narrow-breasted oil pump. I am therefore looking for a suitable filter without a fw valve. I will report!
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12-18-2019, 03:38 PM | #30 |
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Re: Oil Filter Model A on timing cover
Hallo,
the filter set is well thought. It suit fits well. Katy's suggestion is also helpful. Thank you for your help on this chapter!
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12-18-2019, 04:07 PM | #31 | |
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Re: Oil Filter Model A on timing cover
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Modern engines Since the late 50's all use full flow filtering. All the oil goes through the filter after it leaves the pump and before it gets to the bearings, including the Ford 300. As Werner said, the filter will not remove the black color from the oil. The black is from carbon, generally from too rich a mixture. The carbon particles are too fine to be trapped in the filter. The filter removes metal and abrasive particles. If it was made of fine enough material to catch the carbon it would plug up and bypass in a very short time. Detergent oils are misnamed, or at least the name is misinterpreted by most people. Detergent oil will not clean your engine the way laundry detergent cleans your clothes. It contains additives that hold the carbon and other contaminants in suspension so they can be removed from the engine when the oil is changed. |
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12-19-2019, 10:35 AM | #32 |
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Re: Oil Filter Model A on timing cover
[QUOTEAs Werner said, the filter will not remove the black color from the oil. The black is from carbon, generally from too rich a mixture. The carbon particles are too fine to be trapped in the filter. The filter removes metal and abrasive particles. If it was made of fine enough material to catch the carbon it would plug up and bypass in a very short time.][/QUOTE]
Centrifugal oil filters do a good job of removing particulate oil contaminants. They're used on a lot of diesel engines.
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If you don't hear a rumor by 10 AM, start one!. Got my education out behind the barn! Last edited by katy; 12-19-2019 at 10:35 AM. Reason: clean up |
12-19-2019, 01:32 PM | #33 |
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Re: Oil Filter Model A on timing cover
Another note about the filter cartridge:
The backflow valve is a rubber membrane. This reduces the flow rate a little bit. Therefore I perforated the membrane so that more oil can flow.
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12-20-2019, 12:31 AM | #34 |
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Re: Oil Filter Model A on timing cover
Not sure why you would have to do that. I'm sure the discharge pressure of the positive displacement oil pump would overcome any minute amount of resistance. But if it makes you feel better, go for it.
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12-20-2019, 06:13 AM | #35 |
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Re: Oil Filter Model A on timing cover
Werner,
How did you perforate the rubber without getting debris into the filter? Peace Phred |
12-20-2019, 02:48 PM | #36 |
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Re: Oil Filter Model A on timing cover
Guten Abend Phred.
It's a bit fiddly. Pull with tweezer and cut off with a scalpel.
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01-04-2020, 08:37 AM | #37 |
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Re: Oil Filter Model A on timing cover
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01-04-2020, 08:43 AM | #38 | |
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Re: Oil Filter Model A on timing cover
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01-04-2020, 10:50 AM | #39 |
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Re: Oil Filter Model A on timing cover
At $172, I can afford a number of oil changes! Sold the aFORDable kit here years ago. Because I have headers, I had the remote mounting kit. Much easier to change the filters. Cut open the filters twice and didn't see enough crud to justify the cost.
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01-07-2020, 01:06 PM | #40 |
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Re: Oil Filter Model A on timing cover
Supplement
These MANN filters have no non-return valve ex works: W 940/21 No non-return valve, no bypass valve
W 940/71 No non-return valve, but with bypass valve 2,5 bar
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