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Old 07-01-2022, 11:39 AM   #1
Smokedtires
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Default Oil filter worth the effort?

Hello all, new to the Model A world. I'm curious about oil filters. My 1930 does not have one. How affective is a filter on a non-pressured oil system? I thought this was more like a splash lubrication, but understand I may not read the full story yet.
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Old 07-01-2022, 11:42 AM   #2
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Default Re: Oil filter worth the effort?

It is splash. Some like filters on touring motors some don't!
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Old 07-01-2022, 11:44 AM   #3
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Default Re: Oil filter worth the effort?

Filters have been shown to prolong oil life on a Model A, both by visual inspection and oil analysis. If you drive rarely, then increasing your oil life from 500 miles to 3,000 or 5,000 may not matter much to you. Both the bypass and full-flow solutions work. I don't think anyone has done a quantitative comparison of the two.
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Old 07-01-2022, 12:15 PM   #4
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Default Re: Oil filter worth the effort?

Yes, worth the effort.
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Old 07-01-2022, 01:08 PM   #5
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Default Re: Oil filter worth the effort?

Ricardo of Ricardo head fame did some pioneering research of wear of Babbett bearings in the 1920's. He said that since the Babbett was soft, abrasive particles embed in the bearings and then abrade the journals. The particles have to be big enough to span the oil film which is actually suporting the journal. Modern oils have the ability to suspend tiny particles which cause the oil to get dark with use. However the larger particles that cause the damage can be suspended in the oil too. A filter will trap these larger particles and help to extend the life of the bearings. All modern cars and trucks have oil filters. From his testing and research Ricardo recommended the use of oil filters back in the 20's.
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Old 07-01-2022, 01:21 PM   #6
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1930's oils were non-detergent with particulates settling in the oil pan. Most owners now use detergent oils which carry the particulates in suspension, hence a filter is a good idea.
Other period makes of cars such as Chrysler, etc. offered air and oil filters, Ford lagged behind with the Model A.
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Old 07-01-2022, 02:00 PM   #7
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Default Re: Oil filter worth the effort?

Okay, good to know. Thanks everyone.
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Old 07-01-2022, 04:31 PM   #8
Kevin in NJ
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Default Re: Oil filter worth the effort?

No, there is not science based proof an oil filter prolongs the life of the Model A engine that I have ever seen.

In fact, when was the last time you have heard of someone getting to 50,000 miles on their engines before needing to redo the babbitt? Yes, properly done the A should get 50,000 to 80,000 miles at least that was what NY City police got out the engines when they ran them.

Dirt in the oil is the least of your worries. You engine will fail becuase something was not done properly, if you even every drive it enough miles to make wear an issue.

Think about it at say 5000 miles a year (which is likely a lot for most A's) how long till you see any wear? I think 500 miles a year is a lot for most people. A lot of people are changing their oil at those numbers.

In reality, a proper rebuilt engine will not wear out faster if you did not use a filter and you changed the oil every few years or couple of thousand miles. Modern oils with additives are really good and the clearances and loading on the A are just not going to get you a ton of wear.

Spend more time driving and less worrying about something the car ran fine without for a very long time.
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Old 07-01-2022, 04:57 PM   #9
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Default Re: Oil filter worth the effort?

Hi,


it goes without saying that an oil filter is very useful. It removes vacuumed dust and metal abrasion from ongoing wear. Both rub and wear the engine (piston, valve-shaft, bearings, ...) greatly increased.

A good filter will double the engine's life. Oil changes can also be extended to 5000 mls.

With a little skill, a filter can be placed inconspicuously.
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Old 07-01-2022, 07:46 PM   #10
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Default Re: Oil filter worth the effort?

I've always run a filter on my touring engines - wouldn't think of not doing so. There is a reason EVERY modern car (read car made in the past 70 years) has a filter.
If I've been doing short trips, I change oil at 1,000 - 1,500 miles and on a long tour, at about 3,500 miles. I change the filter every second oil change and clean the magnet I have in the sump plug. It gathers a lot of cast iron from the wear happening in the bores so it doesn't keep circulating or clog the filter.
I put a magnet on every drain plug in the car - engine, gearbox, O/D and differential.
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Old 07-01-2022, 08:17 PM   #11
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Default Re: Oil filter worth the effort?

What ever happened to the add-on oil filter that used a roll of toilet paper?
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Old 07-01-2022, 11:13 PM   #12
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Default Re: Oil filter worth the effort?

Quote:
Originally Posted by nkaminar View Post
What ever happened to the add-on oil filter that used a roll of toilet paper?
I think they were a bypass filter. They only filtered what oil the system didn't use. That said, it wasn't long before all of the oil had gone through it. They were VERY effective.
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Old 07-01-2022, 11:35 PM   #13
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Default Re: Oil filter worth the effort?

Quote:
Originally Posted by nkaminar View Post
What ever happened to the add-on oil filter that used a roll of toilet paper?
https://www.toiletpaperoilfilter.com...w-refiner.html
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Old 07-02-2022, 08:01 AM   #14
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Default Re: Oil filter worth the effort?

Bypass filters are slightly better than nothing. Toilet paper filters plug oil pump pickup screens, a gimmick that cost folks an engine. The model A oil pump is a low flow, high pressure pump capable of almost 100psi..using the full flow filter combined with a lube line from the pump to the center main bearing cap ‘pressurizes’ the bearing by using the pressure created by filter restriction.
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Old 07-02-2022, 08:55 AM   #15
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Default Re: Oil filter worth the effort?

I don't have any experience with using an oil filter on a Babbitt engine so no comment.

I do have experience with the installation of oil filters on insert bearing engines and driving them. I have over 99,000 miles on my '29 Phaeton's touring engine and have not removed the oil pan in all those miles. The engine has had an A-Ford-able full flow filter installed since it was put into service in the year 2000. I also install full flow filters on all the touring engines I rebuild for folks.

Installing a full flow filter just makes sense on a car that is driven lots of miles. No one can convince me otherwise.

By the way, I just returned home from a 30 mile, top down, drive this morning with the Phaeton. I took the back roads to a little coffee shop and enjoyed some solitude and a good cup of coffee. The sun was low in the morning sky, the air was cool and the car purred along the deserted roads. I think if there are quiet back roads and Model A's in heaven, I just got a glimpse of how it could be.
Good Day!

Last edited by Dave in MN; 07-02-2022 at 09:08 AM.
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Old 07-02-2022, 10:43 AM   #16
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Default Re: Oil filter worth the effort?

Quote:
Originally Posted by nkaminar View Post
What ever happened to the add-on oil filter that used a roll of toilet paper?
Is this the one:
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Old 07-02-2022, 11:06 AM   #17
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Default Re: Oil filter worth the effort?

This reminds me of “which oil should I use”! Always strong opinions!
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Old 07-02-2022, 11:24 AM   #18
Jim Brierley
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Default Re: Oil filter worth the effort?

Another advantage of using a filter is it adds another qt of oil to the system, possibly more cooling area. Like Syncro, I only change mine at every other change.
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Old 07-02-2022, 12:35 PM   #19
Chris Haynes
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Default Re: Oil filter worth the effort?

I remember my Auto Shop teacher saying. "Engines don't wear out, they are ground out by contaminants in the oil". He always told us that the best thing you can do for an engine is keep the oil clean.
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Old 07-02-2022, 02:19 PM   #20
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Default Re: Oil filter worth the effort?

Quote:
Originally Posted by Kevin in NJ View Post
No, there is not science based proof an oil filter prolongs the life of the Model A engine that I have ever seen.

In fact, when was the last time you have heard of someone getting to 50,000 miles on their engines before needing to redo the babbitt? Yes, properly done the A should get 50,000 to 80,000 miles at least that was what NY City police got out the engines when they ran them.

Dirt in the oil is the least of your worries. You engine will fail becuase something was not done properly, if you even every drive it enough miles to make wear an issue.

Think about it at say 5000 miles a year (which is likely a lot for most A's) how long till you see any wear? I think 500 miles a year is a lot for most people. A lot of people are changing their oil at those numbers.




In reality, a proper rebuilt engine will not wear out faster if you did not use a filter and you changed the oil every few years or couple of thousand miles. Modern oils with additives are really good and the clearances and loading on the A are just not going to get you a ton of wear.

Spend more time driving and less worrying about something the car ran fine without for a very long time.
Kevin
How many miles do you drive your A in a year. Do you have an oil filter?
I noticed after putting a filter on the oil on my dip stick was definitely cleaner.
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