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Synthetic Oil and GOOD oil filters

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Old 10-16-2002, 06:07 AM
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Default Synthetic Oil and GOOD oil filters

Read the Amsoil discussion on the Audiworld S4 group just now and thought I
would pose a question to you. I use the same oil in my S4 and allowed Amsoilto talk me into using their expensive oil filter as well that filters WAY in excess of standard brands. Could that cause a reduction in oil pressure that
could hurt me.

I ask because my buddy tried to put the best oil filters in his boat for his Cummins diesels and Cummins said the flow was reduced too low for them to start warranty. This could be and issue if others are using this combination.

I would also add that I get a pause in the engine at start up time that I did not have with conventional oil and filters.

What say the board?
Old 10-16-2002, 06:10 AM
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Default i would say go OEM/stock. nothing wrong with the stock one.

and i doubt there would be any gains from another filter...
Old 10-16-2002, 06:16 AM
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Default most important----

a back flow valve to prevent oil pressure loss, and oil pump cavitation. Stock filters have this some others dont --- beware
Old 10-16-2002, 06:25 AM
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I stick with Amsoil 0W-30 and STOCK filter. Go back to the pages from yesterday for more discussion
Old 10-16-2002, 06:35 AM
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Bet you're one of the few S4's out there without a sunroof, I've never seen one.
Old 10-16-2002, 06:41 AM
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Synthetic Oil 0-30 (Amsol, Mobil1) and stock filters.
Old 10-16-2002, 06:41 AM
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Default If you are within your Audi Advantage timeframe, using a non-stock filter would void your warranty..

The Magnuson-Moss warranty precident doesn't apply, because your required filter is available at no cost to you at an appropriate service interval.

Plus, the stock one is just fine.
Old 10-16-2002, 07:04 AM
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Just use the stock filter and 0W-40 oil and you'll be fine.
Old 10-16-2002, 07:13 AM
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True-True...alhtough I have a friend in Minneapolis who has a Cactus S4 without sunroof.
Old 10-16-2002, 07:22 AM
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I really doubt that.


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