20 weight in Subie

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Originally Posted By: fauxchemist
My question is I would like to know everyones opinion, what they would run in theirs. Being as everyone who already has one is running 40 weight or a Redline 30 weight.

If you're going to compensate for something, then know what you're compensating. If the oil temps are getting into the red then something needs to be addressed. What's that? You don't have an oil temperature gauge?

If you're running an engine hard and hot then you need to monitor your temps. If you're running hot bump up your HTHS, if you're cold then lower it.

You're further south than me and your averages are about 6C higher in the summer and 10C higher in the winter. That's enough to make a difference in oil spec. For YOUR location I'd run a good 0w30 year round or maybe Red Line 0w20.

If it was MY car and I was driving it I'd run Red Line 0w30, but I probably don't drive like you do.
 
Your avg temps / my avg temps.
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Originally Posted By: edhackett
XW-50 is an approved viscosity for this vintage Subaru. Read the manual.

Ed

+1! Sign up at mysubaru.com if you do not have one.

-Dennis
 
Staying under 3000 rpm in a '06 WRX is such a waste. I'm not saying you have to beat on it if you own one. I do own a 216,000 mile '02, drive conservatively and get 23-26 mpg.

Get something with way better MPG and save some money.
 
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