This is number two from a series of 6 very useful, and low cost, oil analysis tests that you can perform in your very own garage. ...

The best way to establish realistic oil change intervals is via oil analysis. The problem is, a complete oil analysis can easily run you about as much as a 5 quart oil change - with petroleum oil anyway. ...

If you're looking to determine what your best oil change intervals should be, the best method is via oil analysis. Of course, on many passenger car vehicles that only take 4-6 quarts of motor oil, the cost of the oil analysis is nearly as much as a complete oil change. ...

You're reading about test 2 of six do it yourself tests that you can run on your motor oil without the need for any special training or equipment. ...

It is generally in your best interest to rely on oil analysis to determine your oil change interval. Of course, on many passenger car vehicles that only take 4-6 quarts of motor oil, the cost of the oil analysis is nearly as costly as a complete oil change. ...