This is a discussion on Which oil is best????? within the Everyday Impreza Talk forums, part of the Community - Meet other Enthusiasts category; Originally Posted by teflon_jones I use only purified whale oil in all of my vehicles. I LOL'd way too much ...
is rotella t6 still recommended on a stock 2011 wrx. don't plan on modding it. just my daily driver. Or will any 5w-30 do?
WRX Info Links, Courtesy TheJ
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DISCLAIMER: Opinions expressed are the author's alone and are inherently worthless.
I'd recommend Royal Purple, I've been using it in my '04 Legacy for over a 140k miles. It was recommended to me by the Subaru Service Manager, and since he's a family member, and I only pay about $17 for an oil change there, I'm fairly sure he's not just trying to hock me stuff. Just my own $.02
Pennzoil Ultra 5W30 SN seems to be working out really well in my car. Maybe it's something you'd consider. I would also only use the OEM oil filter.
2011 WRX Limited Spark Silver (5 Door)
I use Rotella T6...
2013 WRX Plasma Blue Pearl
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Royal Purple doesn't have that good of results (according to UOAs).
Rotella T6 used to be great, mainly due to its high zinc content. Since they reformulated it a couple of years ago it's middle of the road. That said, I still run T6 in my car, but now I use a zinc additive along with it.