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which motul oil?

Driver

By Driver,
in General Maintenance

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Guest RedLineGTR

Guest RedLineGTR

Posted
Posted

4100 is a "blend" or synthetic and non-synthetic oils the 8100 oil is a full synthetic oil (which is what it is labeled as, same as the some other oils. refer to mobil & castrol lawsuit) but the ester oils are the real 100% synthetic ones, which you pay the price for.

JimX Grand Master

JimX

Posted
Posted

I wouldn't use a semi-synth on a turbo car. The biggest difference between mineral and synthetic oil is the temperature at which they break down. Synthetics break down at higher temps and so last longer in cars which run hotter combustion chambers such as turbo cars. You can still use a good quality mineral or semi synth oil, but you need to change it sooner.

rb25 Grand Master

rb25

Posted
Posted
Ester oils also smell like lollies :)

lol. the first thing i noticed when putting in 300V today was the smell. Car now holds idle oil pressure at 2bar, not 1 at idle and is alot smother on the rev-up and quieter on idle and starts smoother. Changed from a full mineral oil (conoco) which came out black after 3000km.

-rb25

Bobjones Mentor

Bobjones

Posted
Posted

I am currently using run in oil...

But previously used Motul 4100 turbolight, holds 2 bar oil pressure at idle easily (4 bar at cold start up)

I have been recommended to use the 4100 as it is a semi-synthetic for the rings I am running. I have also been told that for daily driving this is appropriate however track days would require an oil suited for higher temps or install a oil cooler...

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