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SORN
by OldSkrote - 31/07/25 02:07 PM
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Forums34
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Aug 24th, 2023
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Learner Plates Off!
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OP
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My favourite oil for my Roadster is the ESP 5W-30. But what about the oil to the right- also a 5w-30, fully synthetic like the ESP. Are they equally good? ![[Linked Image]](https://tm-img.com/images/2021/07/12/Mobil1.jpg)
2005 Roadster 3.0 S1
1960 MGA Roadster
Regards Aage
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Just Getting Started
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Just Getting Started
Joined: Apr 2012
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We need to see photos of the back of the containers, showing the specifications.
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Joined: Apr 2012
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Just Getting Started
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Just Getting Started
Joined: Apr 2012
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We need to see photos of the back of the containers, showing the specifications.
Then I will consult with my live in font of oil knowledge.
Andrew
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We need to see photos of the back of the containers, showing the specifications.
Then I will consult with my live in font of oil knowledge.
Andrew Thank you- I will take a new photo tomorrow 
2005 Roadster 3.0 S1
1960 MGA Roadster
Regards Aage
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Joined: Aug 2011
Posts: 898
Talk Morgan Regular
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Talk Morgan Regular
Joined: Aug 2011
Posts: 898 |
The Mobil Super XE is a good quality every day oil, medium SAPS 0.8% ash
The ESP claims to cover more specs than the XE.
Again a mid SAPS oil but with better fuel economy and a more aggressive internal engine cleaning regeme.
Therefore the ESP is a longer drain interval oil that works with more demanding after treatment exhaust systems.
Basically a higher spec oil.
Last edited by Eddie Cairns; 12/07/21 07:34 PM.
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Joined: Aug 2012
Posts: 316
Learner Plates Off!
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OP
Learner Plates Off!
Joined: Aug 2012
Posts: 316 |
The Mobil Super XE is a good quality every day oil, medium SAPS 0.8% ash
The ESP claims to cover more specs than the XE.
Again a mid SAPS oil but with better fuel economy and a more aggressive internal engine cleaning regeme.
Therefore the ESP is a longer drain interval oil that works with more demanding after treatment exhaust systems.
Basically a higher spec oil.
Thank you! This is actually all the information I need that makes it easy to continue using the ESP
2005 Roadster 3.0 S1
1960 MGA Roadster
Regards Aage
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Joined: Mar 2021
Posts: 535 Likes: 1
Talk Morgan Regular
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Talk Morgan Regular
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Another tick in the box for the ESP is that it is "Mobil 1" which is the brand's leading oil, as used in Formula 1 for many years and has always been promoted as the company's most advanced and high performance fully synthetic oil - usual adage of you get what you pay for...
Cheers, Paul
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Joined: Aug 2011
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Talk Morgan Regular
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Talk Morgan Regular
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Another tick in the box for the ESP is that it is "Mobil 1" which is the brand's leading oil, as used in Formula 1 for many years and has always been promoted as the company's most advanced and high performance fully synthetic oil - usual adage of you get what you pay for... Paul, F1 racing engines are stripped down after every race and rebuilt. Oils that are sold for road cars have say a years at the least before needing changed depending on mileage and other factors. Can you link to any source that defines exactly which of the Mobil One range of oils is used in F1 racing.
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Joined: Aug 2012
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Learner Plates Off!
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OP
Learner Plates Off!
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Posts: 316 |
Another tick in the box for the ESP is that it is "Mobil 1" which is the brand's leading oil, as used in Formula 1 for many years and has always been promoted as the company's most advanced and high performance fully synthetic oil - usual adage of you get what you pay for...
2005 Roadster 3.0 S1
1960 MGA Roadster
Regards Aage
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Needs to Get Out More!
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Needs to Get Out More!
Joined: May 2010
Posts: 9,285 Likes: 69 |
Graham Bell wrote a book...
Modern Engine Tuning.
He has a chapter on oils. He has done tests on “ mule engines” he uses for comparison tests. He concludes that Mobil 1 comes out best. He measures engine parts before and after for wear, monitors cooling, mpg etc as part of his tests.
I use the Mobil 2000. It has a good additive mix for the Rover V8 ( zinc compound to protect the tappets/valves.).
Plus Four MY23 Furka Rouge
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