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Old 22-10-2013, 17:38   #1
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Is their an engine oil additive that shows significant results

I am researching Marine engine oil additives, are their any that are popular.
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Old 22-10-2013, 17:53   #2
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Regular changes show the most significant results.
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Old 22-10-2013, 18:02   #3
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Re: Is their an engine oil additive that shows significant results

Since my business involved earthmoving and mining and thousands of engines to maintain, I also had my staff do numbers of tests on various products.
I found that 'Lubilon' made a difference but we reduced the number of applications with time as my staff had a theory that it was also making the sealing surfaces of lip type and other seals too 'slick' affecting the total effectiveness of their sealing ability. We also used Pro-long.
I cannot say to what extent they were correct but our cost most definitely went down by a fair margin.
As a result I use Lubilon additive with every 500hr oil change.
I also ALWAYS change oil at under 250 hrs - time has proved that this gives the best result.
Also, as crazy as this may sound, on our SD 50 sail drives I change the oil every 100 hrs or less as we were having serious issues with cone clutch slippage. That seemed to take care of it.
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Old 22-10-2013, 18:05   #4
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Re: Is their an engine oil additive that shows significant results

Oh ... and I forgot to mention ... but it is obvious ... one is to never put an additive into sail drives as that would be a real cause for slippage.
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Old 22-10-2013, 18:23   #5
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Re: Is their an engine oil additive that shows significant results

I suppose that if there were a real improvement offered by additives that the oil mfg would include them so as to jack up the cost accordingly.

Clean oil, changed often is the best recipe I know of.
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Old 22-10-2013, 18:27   #6
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Re: Is their an engine oil additive that shows significant results

I should also have mentioned that there are MANY people against additives who actually have tested the products and believe they can be harmful instead of helpful. It worked for us though but you may want to read articles such ashttp://autos.aol.com/article/automotive-alchemy/
... and make up your own mind.
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Old 23-10-2013, 05:37   #7
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Re: Is their an engine oil additive that shows significant results

Greetings and welcome aboard the CF, crg7873.
Quote:
Originally Posted by s/v 'Faith' View Post
I suppose that if there were a real improvement offered by additives that the oil mfg would include them so as to jack up the cost accordingly.
Clean oil, changed often is the best recipe I know of.
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Old 23-10-2013, 05:55   #8
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Re: Is their an engine oil additive that shows significant results

No expert but some experience with various engines: change the oil frequently. Change the filters every other oil change. Skip oil additives.

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Old 23-10-2013, 06:03   #9
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Re: Is their an engine oil additive that shows significant results

I've never met a mechanic who thought well of additives
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Old 23-10-2013, 07:12   #10
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Re: Is their an engine oil additive that shows significant results

Years ago when I was being a motorcycle mechanic, one of the Honda techs at their Atlanta center decided to experiment. When he reassembled an engine, he did it using STP oil treatment on the parts instead of regular oil. All went well except it took a LOT of miles to get the rings to seat. He told me that it probably wouldn't have happened if he had used regular oil on the rings, pistons, cylinder walls, etc., but he would just use regular oil everywhere in the future.
Nowadays I see regular oil being used during breakin periods instead of synthetic, for the same reason.
All the above is from experience with gasoline engines, not diesel.
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Old 23-10-2013, 07:25   #11
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Re: Is their an engine oil additive that shows significant results

Didn't Petroil have to put $26m aside to pay compensation for miss leading advertising and claims relating to Slick 50 products.

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Old 23-10-2013, 08:56   #12
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Re: Is their an engine oil additive that shows significant results

Quote:
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Didn't Petroil have to put $26m aside to pay compensation for miss leading advertising and claims relating to Slick 50 products.
Pete
In 1997, three subsidiaries of Quaker State Corp. (the makers of Slick 50) settled Federal Trade Commission charges that ads for Quaker State's Slick 50 Engine Treatment were false and unsubstantiated.
Quaker State-Slick 50, Inc.
http://www.ftc.gov/opa/1997/07/slick.shtm
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Old 23-10-2013, 10:01   #13
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Re: Is their an engine oil additive that shows significant results

crg, anything YOU can add, a half dozen brand-name premium oil companies already have put into their products.

Buy a premium oil (i.e. a company's top synthetic oil, not their "blends" or "economy" product, or their top conventional product if you like changing oil three times as often) and it will be formulated with everything your engine needs, unless there's something very wrong with your engine.
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Old 23-10-2013, 11:48   #14
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Re: Is their an engine oil additive that shows significant results

If you really want good high performance oil then as I understand it there are only a few true synthetic oils (not manufactured from a base oil).

Delvac-1 (Mobile), AMSOil, Redline and Motul synthetics contain no petroleum oils - they're pure synthetic. To the best of my knowledge, all other synthetic oils contain some amount of Group III base oil.

I have used Mobile Delvac-I for over 40 years in many applications. It was specifically formulated or marketed for long haul diesel applications. Available in 55 gallon barrels or in 1 gallon containers. It will make a $100 lawn mower last until the wheels fall off.
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Old 23-10-2013, 12:24   #15
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Quote:
Originally Posted by crg7873 View Post
I am researching Marine engine oil additives, are their any that are popular.
Not with most marine engine manufacturers. I may be wrong but in my experience I have never seen even one marine engine manual recommending any additive. Only a few recommend synthetic and some specifically recommend against it.
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