Amsoil Air Filter

[GSX600]

Badunit,



My knock was at idle. It was a deep loud sound. Unlikely as it might seem, replacing the camshaft solved the problem.



GSX600

 

[draymorris]

Amsoilman - thank you for your explanation and I agree. I have a lot of oil related experience myself. Just like you said some fluids are designed to be compressed(pressurized) and others are not. If the constant load that I am placing on my gears is too much for the fluid to maintain its film between the gears, then metal wear can increase.



What additves does amsoil use - in what ppm to help keep the metal from touching? I would bet it is "proprietary information". Compare normal oils to synthetics, how much difference is there in the mfg of each?



If I had the money and time I would seek the truth by going to one of the test labs with the oils of my choice and watch the test myself. The cars running without oil on TV don't cut it. Boiling oil into sludge is a great test if the temps being observed are the operating temps of the oil. But remember, each fluid is made for a reason and is made based on somebody's opinion of "what is best" and then the almighty dollar is thrown into that opinion.



For example, we use "heat transfer fluids" here at my plant. These fluids usually resemble 30 weight oil. We can heat these fluids to 550F plus - day 24/7. The machines that circulate these fluids through our molds have gear pumps in them. These fluids must lubricate pump, hold lots of heat (thus the name of the fluid) and NOT flash fire. I would never put these in my rear end, but they sure do boil good - and for a long time.



You see, the different properties of fluids are easy to argue. The public loves visual test that make something look good.



My rear end "grind" was there with Amsoil and almost gone with the CRC brand oil. Both were "75-90". Something is not compatible between my rear end and the Amsoil, under a heavy load.



At the next change, I may try 140 just to see how it feels. It will depend on the sludge I see on the magnets at the next drain.



If you know of a third party book or web site that can educate me more, please let me know.



Have you told anyone at Amsoil of my frustrations? If so, what did they say? I challenge them to respond at to why my rear end would perform this way - and why my silicon levels elevated after using their air filter and have not elevated with a paper filter?

 

[amsoilman]

draymorris,



If you want some good information on oils and lubricants, go to: www.noria.com



They have some very good books you can get also, but there is a good forum that has all kinds of good information as well,



I can not tell you what the Amsoil gear lube has in it. As you suggested, it is propriatiry information, and they will not give it out. I can tell you it does meet ALL the criteria for it to be used for the applications that are printed on the containers.

BTW, the Series 2000 75W-90 gear lube has a "Fire Point" of 421 F. I think if your differential ever got near that temperature, the gears would most likely be history!



Wayne

amsoilman

 

[ttreibel]

Just to get us back to the Airfilter I found this test through another thred on this site. This is a fairly extensive test of Airfilter media with some expensive test equipment on Duramax filters but the results are very interesting.



http://home.usadatanet.net/~jbplock/ISO5011/SPICER.htm

 

[MMead]

Just to get us back to the Airfilter I found this test through another thred on this site. This is a fairly extensive test of Airfilter media with some expensive test equipment on Duramax filters but the results are very interesting.



http://home.usadatanet.net/~jbplock/ISO5011/SPICER.htm

Seems like there is no reason to buy anything other than AC Delco for those of us who have not done major engine modifications - or is there something in that test I'm missing. ?

 

[draymorris]

Great Info

Thanks for finding that study. I agree with the person who did those test.

 

[EMD-Run8]

Did we ever get to any conclusions on this thread? Last I heard we still don't know what the man's oil viscosity was. It should be on his oil analysis report. The rear end oil issue still has me scratchin' my head and finally---------Amsoilman should send a copy of that air filter test to corporate and see what their response is!! Clearly, the Amsoil filter was not the worst performing filter. It worked pretty well but plugged up quickly and needless to say I ain't happy with it's performance either. That test certainly LOOKED objective to my untrained eye. Searched all this out to see about what filter I wanted to use and now I'm thinkin' I'll stick with stock!

 

[TBOB]

Hey guys, look on the side of the stock air filter, specs are stamped there. TBOB

 

[TBOB]

also the stock air box inlet is restricted. Punch a couple of 2" holes in the bottom or front, put fly screen over them. Most filters will flow better, including the Amsoil. The 2 stage Amsoil will stop a lot of dirt on the surface, which can be brushed off a few times before you need to clean it. Tbob