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  #1  
Old 04-09-2007
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Good oil comparison.

http://www.animegame.com/cars/Oil%20Tests.pdf


I've been using valvoline for years in all my vehicles. I am suprised by MOBIL 1 results, it comes highly recommened.
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Old 04-09-2007
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The load test is a very minor representaion of the properties and capabilities of an oil. If one was to simply use lithium grease as a test subject I would suspect the results to be superior....but not for a motor oil. Many other tests must be conducted to determine an oils suitability for use in an engine. I suggest you visit the bitog site (bobistheoilguy.com) before accepting this very limited test as an accurate representaion of what quality motor oil is.
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Old 04-09-2007
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Interesting.

I'd like to see them test some of the Amsoil oils.
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Old 04-09-2007
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Quote:
Originally Posted by ripley
The load test is a very minor representaion of the properties and capabilities of an oil. If one was to simply use lithium grease as a test subject I would suspect the results to be superior....but not for a motor oil. Many other tests must be conducted to determine an oils suitability for use in an engine. I suggest you visit the bitog site (bobistheoilguy.com) before accepting this very limited test as an accurate representaion of what quality motor oil is.
No, the viscosity of the grease would have resulted in higher motor currents. Look at the Royal purple tests.

I agree that it's only one test. In particular, it doesn't tell you much about long drain oils.

What does tell you though is all the people like myself running a full sythetic (I use Amsoil, which they didn't test because it wasn't available a a local sture) who have good oil analysis after 20,000 miles or more. That's the interval between oil changes for me (19k to 20k) and my results have been excellent with very, very low wear metals.

Amsoil, Royal Purple, and Mobil 1 all use the same synthetic base stock and what distinguishes them is the additives.

One note: the API certification REQUIRES certain additives and ratios regardless of whether newer materials might be as good or superior. This actually results in a potential "built in" limitation on API certified oils -- they are all handicapped by the same "standard".

Still, that was a nice article and a good additional reference about oil in general.
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Old 04-09-2007
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Old 04-10-2007
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Quote:
One note: the API certification REQUIRES certain additives and ratios regardless of whether newer materials might be as good or superior. This actually results in a potential "built in" limitation on API certified oils -- they are all handicapped by the same "standard".
Actually, Redline isn't API certified. Besides all that, the best way to determine an oils value and performance in your vehicle is to do an oil analysis at a place like Blackstone labs. The first test in this thread is of little interest as it is an out-dated 'four ball wear' testing machine that has been around for 30 to 40 years. It's really not an accurate measurement for motor oil. The second test posted does have some validity for sure....especially for HP performance in HiPo rods.
Just my opinion.
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Old 04-10-2007
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Most Amsoil isn't certified either. You're right on in your comments. If they use non-API ingredients, they can't pass certification and Amsoil and Royal Purple have opted out of that particular trap.

If you read my post carefully, you'll see I do just exactly what you said. Based on actual oil analysis, I'm totally comfortable running a 1 year drain interval.
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Old 04-10-2007
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You know your 'stuff' John! I hope your weather gets more spring-like too!
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Old 04-10-2007
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a good read... thanks for sharing
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