Mixing Oils
Mixing Oils
(OP)
I accidentally poured 1/2 quart of straight 30W with 6 quarts of 10W30 while changing the oil in my '91 Previa. Will this damage the engine? (Castrol GTX)
Goosen
Goosen
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RE: Mixing Oils
Regards
pat
RE: Mixing Oils
RE: Mixing Oils
Rod
RE: Mixing Oils
1/2 Quart will make a barely measurable (with precise scientific equipment), and certainly not noticable change. Only possible risk, and so low as to be virtually no risk at all, is for incompatibility with additive packages. That is why I say mixing oil is not recomended, but same brand and type, how muck risk can there be. I think none at all.
Regards
pat