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Old 08-14-2017, 06:36 AM   #1
Kevin in NJ
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Default Re: Detergent oil

Here is a question..

Who knows of any recent engine that has had issues with dirt causing pre-mature wear and failure?

Who knows of any recent engine that has failed because the oil went bad?

So far I have never heard of any, modern or old normal engines that may have failed because the oil failed or too much dirt caused it to fail. Of course, I want to hear some science to back up the diagnosis, not 'it must have been the oil'.

All the A engines that I have seen failed have been because something was built wrong or it was just plum wore out from tens of thousands of miles.

You all just worry too much about stuff that makes no sense. The car does not need filters. It does not need fancy nothing. It just needs loving care in the building and it you can run it regularly and it is ready to run the next day, for decades!! You do not need to baby it either. If it is balanced right the engine will be happy run.

How do I know this?

I have listen carefully to the guys who have run for tens of thousands of miles. They have tried everything and the common thread with these guys is they know Fords original specs and the build to them. They do not bother with all the speed stuff (they all have tried it), some have counter balanced cranks and some have overdrives. They all think nothing of running 55 MPH all day long.

Quit worrying about he oil.
Use something with additives, do not change it too often, go drive.
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Old 08-14-2017, 07:54 AM   #2
Gaspumpsam
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Thumbs up Re: Detergent oil

Kevin in NJ
Very well said!!!
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Old 08-14-2017, 08:32 AM   #3
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Default Re: Detergent oil

No argument over the simplicity and robust characteristics of the car in stock form,and I agree spending thousands of dollars chasing speed from an L head 4 cylinder 200 cubic inch engine is at best a lesson on disappointment. But I do see modern oil as a way of improving the chances of what you have lasting longer,oil and air filtration are proven to extend engine life.


I see the full flow as the answer as well Y Block...just wonder if flow and pressure should be improved before adding the restriction of a filter.
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Old 08-14-2017, 11:14 AM   #4
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Default Re: Detergent oil

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Originally Posted by Railcarmover View Post
I see the full flow as the answer as well Y Block...just wonder if flow and pressure should be improved before adding the restriction of a filter.
I believe the stock Model A oil pump, being a positive displacement pump, is more than capable of putting out more than enough pressure to overcome the restriction of an oil filter. The reason a stock Model A without filter has low oil pressure is the pump is pumping into a open space, the valve chamber, without any back pressure.

We sure have traveled far from the original question...
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Old 08-14-2017, 11:47 AM   #5
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Default Re: Detergent oil

Quote:
Originally Posted by Kevin in NJ View Post
Here is a question..

Who knows of any recent engine that has had issues with dirt causing pre-mature wear and failure?

Who knows of any recent engine that has failed because the oil went bad?

So far I have never heard of any, modern or old normal engines that may have failed because the oil failed or too much dirt caused it to fail. Of course, I want to hear some science to back up the diagnosis, not 'it must have been the oil'.
Don't know but I have seen (and heard) many more modern cars running like crap because of stuck hydraulic lifters... could it have been caused by dirt and varnish??
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Old 08-14-2017, 12:57 PM   #6
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Default Re: Detergent oil

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Don't know but I have seen (and heard) many more modern cars running like crap because of stuck hydraulic lifters... could it have been caused by dirt and varnish??
Were they stuck or collapsed? I'm thinking the later. GM lifters love to leak down in the night so they need to be pumped back up the first few miles of running in the morning. Sounds like a box of rocks in a garbage disposal chatter. Fords from my experience are the other way and collapse once the oil thins out. Both problems caused by seals that are worn out.
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Old 08-14-2017, 04:06 PM   #7
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Default Re: Detergent oil

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Were they stuck or collapsed? I'm thinking the later. GM lifters love to leak down in the night so they need to be pumped back up the first few miles of running in the morning. Sounds like a box of rocks in a garbage disposal chatter. Fords from my experience are the other way and collapse once the oil thins out. Both problems caused by seals that are worn out.
Didn't know there are seals in hydraulic lifters!
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Old 08-14-2017, 10:47 PM   #8
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Default Re: Detergent oil

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Didn't know there are seals in hydraulic lifters!
thats what make them hydraulic - tappets or solid lifters are just that. no cushioning effect and thus must adjust valves and worry about zinc levels in modern engines (jeeps 4.0 straight 6 for example)

https://www.youtube.com/watch?v=lorANZ1Tptw

crude but shows how a hyd lifter works - some have seals some are extreme tight machining processes that act as a seal but wear increases the gap with time so as oil heats up it sounds like box o rocks cuz no pressure. but yes they can get stuck (generally from too much wear and parts bind) but from what ive seen and experienced they usually are worn out/leaky.
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Old 08-14-2017, 10:51 PM   #9
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Default Re: Detergent oil

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Didn't know there are seals in hydraulic lifters!
me neither
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