Mobi Jet Oil - VOA

[MolaKule]

That Lada which is running during -40°C winters and most certainly hardly ever reaches +100°C operating temps. Actual viscosity with this jet oil? Probably from two digit to four digit centistokes all the time. That's why I guess.
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The 5 cSt viscosity of Mobil jet oil (as are most jet oils) is very stable.

Lada or not, the point being is that Mobil jet oil (or any other jet oil) does not have the necessary additive composition for terrestrial IC engines.