Amsoil White Sheet
I have seen this report before but didn't link it with your signature. Thanks for taking the time to do the research and for putting it all together. One question for you though; I noticed that you used Amsoil Motorcycle for the comparisons. Is this oil different to Amsoil MCV? If so, then I wonder howMCV would stack up against the opposition. I have also read the oil report from bobistheoilguide and I noticed that he too tested Amsoil Motorcycle. Looking at the data he supplied and the data from the Amsoil white paper it would appear these are different oils as the data is different. Personally, after doing quite a bit of research, I settled on Amsoil 20W50 MCV for all three holes in my bike and she runs like a beauty.
Once again, though, thanks for taking the time to show us all.
...nobody has mentioned is the fact that AMSOIL's tests where done using ASTM Federal Testing Standards. That means that anyone using those Standards can produce the SAME RESULTS.
It is interesting that the famous White Paper has no test for moly content, and this may be because Amsoil has none and most other high-performance synthetics (RP, M1, Redline, among others) contain it. Redline has the most, around 900ppm, RP (non-racing) close with about 250ppm, and M1 contains about 100ppm. My research reveals that moly is a very important additive, and American Iron stated in their oil test several years ago that moly is perhaps the most important of all oil additives. In their words (paraphrased), "If your oil manufacturer uses moly in their formula, it shows they care about your engine." This isn't to say that oils containing no moly are categorically deficient, but that the use of moly in oils has more positive than negative attributes, the only negative perhaps being cost. It is an expensive additive.
What Mobil Oil has to say about the 4-ball wear test (emphasis mine) :
"The 4-ball wear test is a test designed to evaluate the performance of a gear oil. The 4-ball wear test is not included as a part of any industry-wide recognized engine oil specifications (e.g. ILSAC GF-4, API SM, or ACEA specifications). ExxonMobil does not regard this test as a useful indicator of engine oil performance."
(http://www.mobiloil.com/USA-English/...il_Claims.aspx)
Just out of curiosity, why does Amsoil tout the results of this test for their motor oil when it isn't an industry recognized standard? Are they the only ones using it for motor oil?
I'm on the fence with the wear-ball tests. I've seen (with my own eyes) tests performed with Royal Purple, Amsoil, Redline, etc. where RP impressively out-performed the other contenders--yet Amsoil proclaims it's product to be the superior lubricant in similar tests. For anyone wanting to travel to Baton Rouge, I can set up the same test using your samples. Perhaps the results will be different the next time I see the test run! I've made this offer many times over the past 10 years or more and have never had any takers, even Amsoil dealers in this area. I will offer no conclusions as to the validity of the results, or how they would apply toward enhanced engine life or performance, but can set them up for anyone to see for themselves. You can then form your own conclusions.
Some, like Exxon-Mobil, claim that these tests are not designed for depicting wear reduction in an internal-combusion engine, but I'm not so sure. It seems to me that if it protects as revealed in these tests, it will protect as well in less-harsh environments like an automotive or MC engine. It is something I don't promote as a useful criterion, but I'm open-minded and would like to learn more about the validity of these wear-ball tests.
What Mobil Oil has to say about the 4-ball wear test (emphasis mine) :
"The 4-ball wear test is a test designed to evaluate the performance of a gear oil. The 4-ball wear test is not included as a part of any industry-wide recognized engine oil specifications (e.g. ILSAC GF-4, API SM, or ACEA specifications). ExxonMobil does not regard this test as a useful indicator of engine oil performance."
(http://www.mobiloil.com/USA-English/...il_Claims.aspx)
Just out of curiosity, why does Amsoil tout the results of this test for their motor oil when it isn't an industry recognized standard? Are they the only ones using it for motor oil?
I'm on the fence with the wear-ball tests. I've seen (with my own eyes) tests performed with Royal Purple, Amsoil, Redline, etc. where RP impressively out-performed the other contenders--yet Amsoil proclaims it's product to be the superior lubricant in similar tests. For anyone wanting to travel to Baton Rouge, I can set up the same test using your samples. Perhaps the results will be different the next time I see the test run! I've made this offer many times over the past 10 years or more and have never had any takers, even Amsoil dealers in this area. I will offer no conclusions as to the validity of the results, or how they would apply toward enhanced engine life or performance, but can set them up for anyone to see for themselves. You can then form your own conclusions.
Some, like Exxon-Mobil, claim that these tests are not designed for depicting wear reduction in an internal-combusion engine, but I'm not so sure. It seems to me that if it protects as revealed in these tests, it will protect as well in less-harsh environments like an automotive or MC engine. It is something I don't promote as a useful criterion, but I'm open-minded and would like to learn more about the validity of these wear-ball tests.

Cheers and can't wait to hit Surgis in 2010!
The Best of Harley-Davidson for Lifelong Riders
Where is the report of two Harley's rode rode hard and put away wet, where Amsoil was used in one and HD's 360 or Syn-3 was in the other, which shows the tear down of both engines and definitively proves that HD's products failedor caused abnormal wear?
Short of that, the only way I think I would be undoubtedly convinced as to is superiority would be by sending samples to the lab for comparison. Now the $50.00 dollar oil change, just turned into a $75.00 oil change,
Luckily, I have 1500 miles left before deciding which to go with... But, I do have a sample kit from Blackstone labs. It would at least be interesting to send my Syn3 off after changing. I sure will be disappointed if they tell me that I ruined my engine at 5k.
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