synthetic oil cleans the engine ?

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I have a simple question.

Does the use of synthetic oil actually clean out an engine, like Auto-RX ?

Is "sludge" actually wiped away from the internal engine components ?
 
some have reported slight cleaning with syn, not quite like arx, arx and oil aren't the same thing.

I do believe good oil + reasonable oci's will control deposits though, and again, syn can clean up some deposits.
 
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Like Auto-RX..............No

Does it have some cleaning ability......Yes.

It can help reduce minor sludge issues over time.

Auto-RX is more concentrated and works faster and better.
 
Originally Posted By: CELICA_XX
I have a simple question.

Does the use of synthetic oil actually clean out an engine, like Auto-RX ?

Is "sludge" actually wiped away from the internal engine components ?


Modern motor oil is a fine, chemical balance act which comes with sufficient detergency to suspend any dirt/insolubles from forming, without being too aggressive.

I typically coined the term: "oil is able to keep itself clean".

While some may report the ability for using full syn motor oil to clean a dirty engine (not the word I'm using here, not the term "sludged"), not all results are the same.

If you want something that is capable of performing thorough cleaning w/o being overly aggressive (meaning that it will not thins out the oil nor attacks the elastomeric seals, etc.), use AutoRx.

If you want 10-min gratification in a can, use kerosene flush or stoddard solvent.

If you want to maintain oil's cleanliness, you may either use AutoRx maintenance dose or LC20 (da antioxidant).

Q.
 
I don't even think an engine can be kept keep clean with synthetic oil. It will stay cleaner with syn but not as clean as having run Auto-RX JMO

Auto-RX is by far the best choice.
 
Synthetics are less likely to varnish an engine due to their higher flash point. However, Both synthetic and conventional these days though are equally as clean to run in normal oil change intervals.
 
Originally Posted By: oilboy123
I don't even think an engine can be kept keep clean with synthetic oil. It will stay cleaner with syn but not as clean as having run Auto-RX JMO

Auto-RX is by far the best choice.



My experience with M1 and AMSOIL flies in the face of that.......
 
all you have to do is look at pictures of engines that have run M1...they look great
 
The polyol ester and diester base stocks are the cleaners in the syn world polyalphaolefins not really. A/RX really cleans and from my use of it is that is works.I will not rebuild of repair your engine but it does what is claimed.
 
Originally Posted By: OVERK1LL
Originally Posted By: oilboy123
I don't even think an engine can be kept keep clean with synthetic oil. It will stay cleaner with syn but not as clean as having run Auto-RX JMO

Auto-RX is by far the best choice.



My experience with M1 and AMSOIL flies in the face of that.......


All those nefarious deposits are hiding deep, deep down in the darkest and most remote corners of the engine.
wink.gif
 
Originally Posted By: moribundman
Originally Posted By: OVERK1LL
Originally Posted By: oilboy123
I don't even think an engine can be kept keep clean with synthetic oil. It will stay cleaner with syn but not as clean as having run Auto-RX JMO

Auto-RX is by far the best choice.



My experience with M1 and AMSOIL flies in the face of that.......


All those nefarious deposits are hiding deep, deep down in the darkest and most remote corners of the engine.
wink.gif



LOL, good thing I've had it that far apart a couple of times
wink.gif
Heads/cam/intake swaps ya know......
grin2.gif
Must have scared them out of there
wink.gif
 
It's taken out some varnish for me.

I'd use syn. first for several OCIs before AutoRx because it has a good chance of working. Nothing wrong with that. At the very least it won't make the situation worse.
 
Forget about synthetic vs. conventional, sometimes just switching brands will clean out your internals. For stubborn motors, I don't think any type of oil will clean your engine as effectively as cleansing specific additive, be it ARX or MMO.
 
Originally Posted By: OVERK1LL
Originally Posted By: oilboy123
I don't even think an engine can be kept keep clean with synthetic oil. It will stay cleaner with syn but not as clean as having run Auto-RX JMO

Auto-RX is by far the best choice.



My experience with M1 and AMSOIL flies in the face of that.......


+1

I've seen several 100,000+ engines that have run M1 that were clean as a whistle inside, cylinder heads, oil pan, everywhere. No personal experience with Amsoil, but I would expect it to be even better than M1.
 
I think if you took a neglected engine with 'some' sludge, and filled it with a synthetic oil using some substancial esters in the basestock (Amsoil, Redline...maybe M1?), you would see 'some' cleaning.

I've read stories of how in the 1970's, engines that were sludged up and filled with synthetic oils developed problems b/c the oil liquified the sludge and plugged up passageways and filters...so 'old synthetics' certainly did!
 
Originally Posted By: Ben99GT
Originally Posted By: OVERK1LL
Originally Posted By: oilboy123
I don't even think an engine can be kept keep clean with synthetic oil. It will stay cleaner with syn but not as clean as having run Auto-RX JMO

Auto-RX is by far the best choice.



My experience with M1 and AMSOIL flies in the face of that.......


+1

I've seen several 100,000+ engines that have run M1 that were clean as a whistle inside, cylinder heads, oil pan, everywhere. No personal experience with Amsoil, but I would expect it to be even better than M1.


But both of you are missing the point; the question is basically "does synth alone clean up sludge." No one would argue that in a normally functioning engine that synth doesn't keep a clean engine clean. But running synth in an engine that is already sludged is a different story. As Quest said, oil is good at "cleaning up after itself" if run the proper OCI in a normal engine.
 
Does synthetic oil alone clean sludge? I think somewhat.

There are variables of course. My Taurus Vulcan engine is a carbon prone engine I assume. I bought it used with 26K. I Amsoil flushed it and installed Amsoil engine oil. I have run Amsoil to this day. The longest I had run was 6 mths/9K miles. I run longer miles/time now. The dealer programmed the computer to update it and I started getting a pinging problem from the program I assume. The pinging started a week later out of the blue.

Long story short many decarbons with Decarbon products (seafoam, Ford combustion cleaner and water) did not get rid of the pinging. I had one independent shop and three dealers look at my engine and could not see any problem.
I lived with this problem from about 36K-80K miles. I ran mid or higher octane gas in different ratios.

My Daughter ran the RX in my car While I was commercial fishing in Alaska. When I came back it was still in the clean phase but the pinging was gone. As well as a lifter tick at 3500 rpm and higher. She had been running mid grade gas. When I came back I filled the tank with regular gas and no pinging, Yippee!

So I guess some sludge could be from the dino run up to 26K by the other owner? But tell me how the RX cleaned the lifters and I assume the ring lands and got rid of the pinging? This when I had been running synthetic for 10K. Then the problem was still there even after about 45K miles? Then I ran Auto-RX and poof problem gone.......


Have any of you guys telling me synthetic oil keeps your engine spotless tore your engines down and removed rings to inspect the ring lands? Or tacken lifters apart? I have taken a fair amount of engines apart but no engines that I knew for sure had run synthetic oil for most of it's life.

So maybe you know something I don't??????? Maybe my situation is unique.
 
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I should add that when I don't run RX maintenance dose I do notice the pinging coming back. Then I put in the dose and the pinging starts to go away. Kinda wierd.......

So I am assuming that the rings and maybe the combustion chamber gets carboned up and the RX takes care of it? All while I run synthetic.
 
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