Quote:
Originally Posted by Taomyn
My manual shows only 5w30 recommended, with 5w40 being temporary for short term if the 5w30 isn't available (and replaced as soon as), no mention of 0w30. My investigations into 0w30 when they used it last year at 1,500km did say it was definitely fine and would be better for low temp starts (it can get to -20 in the winter sometimes here, although that's rare and I park underground).
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Sorry I mixed it up. 5w30 is recommended and 40 is mentioned as well. I have 5w40 as main oil, and many high performance Subaru owners use 5w40.
Mine was Castrol Titanium I think, though next time I will get Shell equivalent
and yes 5w30 is better for cold weather starts while 5w40 is better for hot water running. So if you know that you start our car at reasonable temps you might as well consider 5w40. I'm not oil expert, but have no idea what's that 0w30 deal is all about
Dealers usually stick to manuals and recommendations of the manufacturers due to warranty claims.