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mobil or amsoil

Old 09-29-2011, 06:48 PM
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Question mobil or amsoil

trying to figure out wich oil is better
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Old 09-29-2011, 06:54 PM
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mobil is a automotive emission legal oil , you can get amsoil in a off road type of oil which does not have to meet the EPA bullchit
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Old 09-29-2011, 09:18 PM
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Royal Purple. <g>
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Old 09-30-2011, 05:13 AM
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I ran Mobil 1 Vtwin for the last 6 years. Last oil change I ran Amsoil Racing 20w-50. Both kept oil pressure well. The Amsoil is red out of the bottle, then turned brown with use and was definitely less viscous than the Mobil at ambient temp. I noticed when changing my leaking KE valve cover bases that the amsoil didn't seem to create that hard to remove film on parts that the Mobil created. This is completely unscientific observation, but I think I'm going back to the Mobil 1 vtwin next year. I just put Valvoline racing to winter it.
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Old 09-30-2011, 03:09 PM
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I use the 15/40 Amsoil marine/diesel oil. I also use the AE filters, they come in a few sizes. This year I used the big one, it holds 2 quarts. Worked great and added oil to the sytem.
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Old 09-30-2011, 05:45 PM
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Originally Posted by SkiDoc
I ran Mobil 1 Vtwin for the last 6 years. Last oil change I ran Amsoil Racing 20w-50. Both kept oil pressure well. The Amsoil is red out of the bottle, then turned brown with use and was definitely less viscous than the Mobil at ambient temp. I noticed when changing my leaking KE valve cover bases that the amsoil didn't seem to create that hard to remove film on parts that the Mobil created. This is completely unscientific observation, but I think I'm going back to the Mobil 1 vtwin next year. I just put Valvoline racing to winter it.
the Vtwin oil is good oil , a lot better then the standard Mobil 1 you buy for a street car . Keep in mind Epa required all the street legal oil to have no Zinc and many more things that off road oil can still have.
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Old 09-30-2011, 05:47 PM
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just want to mention that amsoil has v-twin oil 20w50 also....
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Old 09-30-2011, 05:54 PM
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i run amsoil and i like it
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Old 09-30-2011, 06:41 PM
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amsoil contains zinc which the epa doesnt want?
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Old 09-30-2011, 07:57 PM
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Originally Posted by weldcrane
amsoil contains zinc which the epa doesnt want?
Zinc is good for wear!
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