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Old 10-10-2011, 11:13 PM   #34
Scooby Newbie
Member#: 263792
Join Date: Nov 2010
Chapter/Region: BAIC
2011 WRX


How did they know you were using 5w40?
I answered truthfully when they asked because I knew it would come up if they asked for maintenance records (and they did). Plus, if they were to find out that I was withholding that kind of information, it would only lead to speculation about other things I might not be telling them (but that's not the case).

Why the heck are you running 5w40 anyway?
Well, when I bought the car, 5w-40 was an acceptable weight and based on my research was a better choice than the 5w-30 oils that have a tendency to degrade.
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aserr is offline   Reply With Quote