Lazarus1
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Registered: 5th Apr 02
Location: Skopje,Macedonia
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i'm currently using MOTUL/series8100/5w40 full syntetic,and on the next oil change i'm thinking of switching to MOTUL/series6100/10w40 full syntetic....or is it better to use factory Opel oil 10w40 semi-syntetic which is way cheaper than Motul?Also is there any difference in these 3 options above for keeping the engine temperature cooler?Thanks.
[Edited on 23-03-2006 by Lazarus1]
[Edited on 23-03-2006 by Lazarus1]
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ed
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Registered: 10th Sep 03
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Oil is oil no matter what it's branded as. However, you should be using semi synthetic 10w40 oil in that engine.
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Lazarus1
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Registered: 5th Apr 02
Location: Skopje,Macedonia
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quote:
Originally posted by ed
However, you should be using semi synthetic 10w40 oil in that engine.
Can you explain why?Thanks.
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Lazarus1
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Registered: 5th Apr 02
Location: Skopje,Macedonia
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also whats better for keeping the engine temp cooler?5w40 or 10w40...or is there no difference?
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Dave A
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Registered: 10th Dec 03
Location: County Durham
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quote:
Originally posted by ed
Oil is oil no matter what it's branded as.
oils vary massively in their chemical make-up. lots are recycled (cheaper oil) and these dont last as long and dont give the same protection as the better brands available.
stick to 10w 40 for most vaux engines and the vaux stuff is quite good. for high performance, high revving engines a 0w 40 fully synth can be used if required. mobil 1 is the best about. (have a friend that designs oils for the motorsport industry)
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ed
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Registered: 10th Sep 03
User status: Offline
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quote:
Originally posted by Lazarus1
also whats better for keeping the engine temp cooler?5w40 or 10w40...or is there no difference?
They are both the same weight when at operating temp, so there is no difference. 5w40 is thicker than 10w40 when cold.
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