switching oils
Oct 13, 2004 | 11:58 AM
#15
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switching oils
Originally posted by: Krank
Sorry about that,,,the manual says that is @ 5500rpm. Remember that pumps just create flow and resistance to flow creates pressure, so at idle there will be less flow and thus not much pressure.
Sorry about that,,,the manual says that is @ 5500rpm. Remember that pumps just create flow and resistance to flow creates pressure, so at idle there will be less flow and thus not much pressure.
Oct 13, 2004 | 10:53 PM
#16
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switching oils
Quote
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Originally posted by: Krank
Sorry about that,,,the manual says that is @ 5500rpm. Remember that pumps just create flow and resistance to flow creates pressure, so at idle there will be less flow and thus not much pressure.
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How do you know? I'm not arguing with you, but it is hard to say which one is better without a used oil analysis to test for wear metals. I don't think you can go wrong with any of the 0W40s, Polaris, Amsoil, or Mobil 1, but I would stick with a 0W40 because anything heavier is going to have less flow at startup.
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Originally posted by: Krank
Sorry about that,,,the manual says that is @ 5500rpm. Remember that pumps just create flow and resistance to flow creates pressure, so at idle there will be less flow and thus not much pressure.
--------------------------------------------------------------------------------
How do you know? I'm not arguing with you, but it is hard to say which one is better without a used oil analysis to test for wear metals. I don't think you can go wrong with any of the 0W40s, Polaris, Amsoil, or Mobil 1, but I would stick with a 0W40 because anything heavier is going to have less flow at startup.
If your asking how I know how pump flow and restrictions creating pressure works, I am a millwright by trade and that is the basics of all hydraulics. If your asking how I know what is the best oil, I don't LOL. IMO a 5w40 or a 10w40 may work well in summer. But with the cold start up in winter, I think the 0w40 is the ticket. With the oil resevoir being seperate from the engine it would take quit a while to warm the oil up,,,if it could make it to the engine at all.
Oct 14, 2004 | 01:25 AM
#17
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switching oils
Sorry Krank, I quoted the wrong post. I agree with you 100% and understand how fluid dynamics work. I meant to reply to slags56 when he stated: "You can stay with 0w40 with Mobil1. It is a better grade of oil than polaris." I don't disagree that mobil 1 is a great oil, but there is no way to tell which is a better oil without some analysis of the oil. My guess is that any 0W40 synthetic (Amsoil, Polaris, Castrol, Mobil 1) will do fine. I don't think the oil gets very hot in the engines with the external oil tank. In fact I wish the oil would get hotter in the winter here in MN. I think all the snow that gets packed around the oil tanks cools the oil too much in the winter.
Oct 14, 2004 | 06:28 PM
#20
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switching oils
Originally posted by: slags56
Mobil1 has the current API rating. Polaris does not. QED.
Mobil1 has the current API rating. Polaris does not. QED.
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