Too bad you live in the proverbial Midwest like *everyone* on here cause if you were down south as in south texas not south CA or FL, you would be able to try out some of the 40 weight oils even for the upcoming summer that starts in March (yes, next month) By 40 weight, I am talking 5w-40 and 10-40 on up. I am going to prolly try the 10w-30s first inevitably cause I like to step up. (This engine, as a practical joke by CAFE, was backspeced to 5w-20 but I would go just the opposite way of what the car manuf say)
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