Quote:
Originally Posted by EINSTEIN562
Are you saying that 8100 is not up to the task of track duty, even with an oil cooler? If so, is Motul 300V my only option? Seems like overkill for a DD with light track duty. Surely there is something in between that fits my intended use. I plan on sticking with 0w20, is there any reason why I should go with a 0w30 or 5w30 instead?
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A 0w30/5w30 or even a 0w40/5w-40 (summer only) would be advisable considering how little oil pressure these engines make under track conditions.
In that link I posted above, the 300V (racing only) scored very well (112k psi) but it's street counterpart the 8100 only scores 76k psi and the 8100 ECO oil does even worse and many conventional oils out both 8100 options.
In your position, looking for an oil that's up to the task for DD/Track (additive package and high shear and temp stable) it appears there's better options than Motul
for your application and cheaper options as well.