Hi,
I have 3 oil SPECS here. Anyone can tell me what the best one to use in my mazda protege 2.0L Turbo-converted engine running on 11PSI?
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Oil 1:
Viscosity, Kinematic, cSt
at 40oC: 108
at 100oC: 18.7
Viscosity Index: 194
Cold Cranking...