Quote:
Originally Posted by Tokay444
The factory fill is there to meet EPA enforced fuel economy numbers. Guess who only cares how that your engine only lasts longer than the warranty so they can sell you a new one?
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My well known engine builder who has nothing to gain by recommending an oil viscosity does not reccomend anything remotely close to 50. I’d listen to them over someone on the internet that thinks they know what they’re talking about.