Motorenöl

[Pokemon]

Oilman supplies oil to many oldtimers - many much older than our cars which use fairly up-to-date engine materials. Give him details of your car, temperature conditions and driving style and he will give you advice.

Temperature from-25 up to + 30
Frequency of rotation average
It seems to me in view of these data , on oil with viscosity 5W40 the engine will be more noisy to work.