Oil Filter Model A on timing cover

Allgaierfan

Allgaierfan

New member
Hi Specialists
I have a model A Rodster pickup 1929 76A with the Oilfilter on the Timing cover.
Its connected on the plug at the Oilpump Shaft. High pressure side.
The Oil goes thrue the Filter into the timing cover.
Its the Filter with the number A-6705

https://www.snydersantiqueauto.com/...L-FILTER-KIT-USA?fromCategory=SearchByKeyword


I have the Question how this system is working?

I suspect the oil goes from the pressure side of the oil pump through
the filter on the steering housing in the engine So that is parallel to
the previous way. I'm afraid that then oil volume is missing in
the Valve Chamber Oil inlet. But It works for years. Get the Oil over the Steering cover also to the Valve Chamber Oil inlet?
Can anyone explain to me?
Kindly regards
 
It is called a by-pass system. Part of the oil goes through the filter and the remainder goes through the original route.
This type of system was used on many makes of cars for many years until they switched over the the full flow system which is much better.
 
It is filtering a portion of oil continuously, it is fed by a side tap, so all the oil is filtered over time. Most of the oil from the pump is going into the valve chamber. It is a proven system so you don't need to worry.

Katy beat me to the draw!
 
Has anyone also checked whether the filter is actually flowed through? (Slicing and dirt inspect after 2000 Miles.)

I doubt the open oil-pressureless system because the backflush valve in the filter cartridge needs about 3 - 3.5 PSI pressure to open the filter inlet!
 
Good morning,
it is hardly possible to remove the rubber flutter valve. But I have just read that there are filter cartridges without a valve. Care must be taken when shopping.

I think the other filter variant is the better one, in which the pressure oil in the valve chamber line is connected to the filter line. (That's how I did it on my Cit Traction.)


Hi John, did you open the filter and saw the pollution?
 

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I have that kit installed on mine for the last 5 years and it works just fine. When I installed it I loosened the return tube to see if there was a restriction due to the filter and there was none. The oil is flowing and normal volume.
 
I used one of those but the copper tube didn't fit like it was supposed to, I fabricated a tube that would fit using the supplied fittings and the filter seems to work fine.
 
I believe that that one ends up mounting teh filter on an angle, and can be messy getting it off and on. An Adapter is available so the filter is not on an angle.
 
Katy, thanks for helpin' hint! -


I tend now to the valve chamber lid version. I am currently restoring the oil pump. A gear oil pump that turns without play can generate very high pressures. There are also filters with a particularly low backpressure. From a technical point of view, no nominal loss of oil flow is to be expected.

But if I understand correctly, the filter system fits only on the modernized cover plate and not on the 1928 version.
 

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Werner said:
Katy, thanks for helpin' hint! - ...
But if I understand correctly, the filter system fits only on the modernized cover plate and not on the 1928 version.
Click to expand...

That is correct you will need the later style oil return pipe for the modification. the bypass filter is still a good option.
 
J. Franklin,

does this only affect the length of the return pipe? Shortening or extending the tube is really no problem.
 
Thanks at all for the filter-idea and the many hints! I have chosen now the pressure oil version 'Bratton's oil-filter-kit'.
 
J Franklin said:
You can modify the tube, the ends are the same and are a soldered connection.
Click to expand...

Here's how the tube on my CCPU was extended, It's kinda neat as one can see the oil flowing.
 

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