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comments Your Jeep is looking really good in its first analysis. Wear metals are low compared to universal averages and that's a good sign that the engine is happy and healthy. Iron is especially impressive at only eight ppm. Universal averages show typical wear levels for this type of engine...

my very first uoa Valvoline synpower 5w40, mostly all Hwy driving 4qt sump added 3qts makeup oil From blackstone Universal averages show how metals should look from the Suzuki 1.0L after about 4,300 miles on the oil. You ran a fairly comparative number of miles on this sample, though your...

so this is my first post, a month or so ago i got some pp at napa for like 3.92 a qt but its 10w30, and was wondering with MN winter coming soon how cold of temp would i be able to use the 10w30