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Which Engine Oil For Journal Bearing Turbo

aquariuz6

By aquariuz6,
in General Maintenance

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aquariuz6 Proficient

aquariuz6

Posted
Posted

Hi just curious on if I should be using a thicker engine oil to maintain my new turbo.

I just thought I would need a thicker oil because it wont breakdown as easier as say a 10w30 oil to a 5w50.

Would I need the thicker oil?

mad082 Grand Master

mad082

Posted
Posted

a 5w50 has more chance of breaking down than 10w30. the bigger the difference between the first and second number, the more chance it has of breaking down. you also have to take into account what oil the rest of the engine needs. the standard oil is only 7.5w30.

Kinks Grand Master

Kinks

Posted
Posted
So I guess a 10w30 oil would be a lot better then 5w50?

all other things being equal, yes. I ran Motul 8100 5W40 in my R31 and it was great. Haven't had to change the oil in the 33 yet I think they put some castrol shit in there (still synthetic, but I'm not a fan of castrol oils)

khunjeng Veteran

khunjeng

Posted
Posted
a 5w50 has more chance of breaking down than 10w30. the bigger the difference between the first and second number, the more chance it has of breaking down. you also have to take into account what oil the rest of the engine needs. the standard oil is only 7.5w30.

you are talking about the VII content which is added to POA based oils to help get the spread. VIIs are not a lubricant and break down more quickly under stress which is not great. If you use a high quality Ester based oil such as redline or motul 300v they claim not to use VII additives. True or not, they def. use less and they have a range of better properties than most sync. oils on the market.

If money was not problem, I would use a Redline product...10W30-40 I use a 40...seems excellent. I use a 30 in my FTO...You will be fine with both of those products.

aquariuz6 Proficient

aquariuz6

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Posted (edited)

What is the problem with Castrol oil?

Has anyone had any experiences with their new castrol edge?

Is it safe to use a 0w40 oil? cars only got under 70,000kms on the clock

Edited by aquariuz6

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