#Mobil1

TTAC Commentator RS writes:

How much Synthetic Oil is actually in Semi-Synthetic Oil? Why is that info so hard to find?

Two hundred thousand miles.

It’s a beautiful moment for many a car owner.

As for me? Well, I admit that I cheated when I saw that number flash by in my wife’s car back in March. Like many an enthusiast, I had bought it used and was planning on keeping her daily driver for the long haul.

The question for me was, “How long would the long haul be?” Since I buy, fix and sell a lot of vehicles, and have deeply imbibed the fluids of wisdom at the Bob Is The Oil Guy web site, I decided to live my life on the wild side.

I performed an oil analysis.

TTAC Commentator Silent Ricochet writes:

Hey Sajeev, it’s been a long time since I sent my first email about my 2002 Cavalier Z24 making rattling noises at low RPM. The noise has since then gotten slightly more noticeable and I finally decided to take some action and really look into it. As a quick refresher, in First and Second gear, between 1500 and 2000RPM under moderate throttle, the car will make an awful rattling noise, like that of pennies in a coffee can kind of noise.

After looking at several cavalier and J-Body forums I stumbled upon a ridiculously popular thread that contained all the information I would ever need…