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Recommended Posts

Any ideas on where to get a Porsche Suitable 5w-40 Mobil1 or Castrol Edge for the 997?

Will the Diesel 5w-40 Mobil 1 work for a Porsche?

I get 0-40 at Walmart or O'Reilly's. I have used it in my 2000 Boxster S since the beginning, including many track miles.

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Any ideas on where to get a Porsche Suitable 5w-40 Mobil1 or Castrol Edge for the 997?

Will the Diesel 5w-40 Mobil 1 work for a Porsche?

According to Castrol -- Autozone, Walmart and Kragens all carry Castrol Edge.

Mobil does not list 5W-40 Mobil 1 as being sold in the US.

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I beleive shell helix is also 5W40. The diesel oils contain higher levels of surfactancts (cleanaing agents). Probaly not a bad idea to join the contributing members and look over the TSB section for porsche approved oils. There are about twenty approved suppliers each with a number of options.

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I beleive shell helix is also 5W40. The diesel oils contain higher levels of surfactancts (cleanaing agents). Probaly not a bad idea to join the contributing members and look over the TSB section for porsche approved oils. There are about twenty approved suppliers each with a number of options.

Thanks I am a contributing member and have the list. Though I probably need to make another contribution.

The Castrol Edge is a new product and available in Auto parts store and Wal-mart but not in either of the grades required by Porsche 0-40 or 5-40. However it is in other parts of the world.

Autozone does sell the Mobil1 5W-40 Diesil though as well as M1 0-40. Walmarts in my area no longer carry 0-40.

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I beleive shell helix is also 5W40. The diesel oils contain higher levels of surfactancts (cleanaing agents). Probaly not a bad idea to join the contributing members and look over the TSB section for porsche approved oils. There are about twenty approved suppliers each with a number of options.

Thanks I am a contributing member and have the list. Though I probably need to make another contribution.

The Castrol Edge is a new product and available in Auto parts store and Wal-mart but not in either of the grades required by Porsche 0-40 or 5-40. However it is in other parts of the world.

Autozone does sell the Mobil1 5W-40 Diesil though as well as M1 0-40. Walmarts in my area no longer carry 0-40.

Here is a site that says Mobil1 0-40 yielded the highest HP. Disclaimer I know nothing about the site just did a search and found it.

http://www.performanceoilnews.com/oils_against_oils.shtml

Edited by dndodd
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