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I was pretty bored today and was doing my daily internet routine. Facebook, youtube etc. Anyway I came across a link to www.blackstone-labs.com they do oil analysis on cars or just about anything. Anyways does anybody here do oil analysis on their vehicles? Is this a recommended company? The kit is free and looks to be 25 bucks. Not to bad. Reason why I'm doing this is because I run Pennzoil Ultra and It's been 8000 miles since last oil change. I want to make sure when I change the oil again (which will be when I get my test kit) I can safely run it another 8000 miles.
