If you are to have any success with a performance car, you need information—the more the better. Much of this information is locked away under the hood, just waiting to be let out. And a good set of ...

Modern cars don't have mechanical oil pressure gauges anymore, so you'll be in the dark until that moment when the low oil pressure warning light flickers on. And since no one brags about the oil ...

Your engine’s oil pressure is one of those things that needs to be just right. If it’s too high or too low, it can be indicative of other problems. This is especially true with high oil pressure, as ...

John Paul, AAA Northeast's Car Doctor, answers a question from a reader with concerns about a high oil pressure reading on their vehicle. The Car Doctor answers a question from a reader with concerns ...

When dealing with refrigeration or air conditioning compressors that employ an oil pump, many service technicians confuse net oil pressure with oil pump discharge pressure. However, it is of utmost ...

More than a year ago, I purchased a new GM 350ci crate motor (PN 10067353). No oil gets to the rocker arms on the right-hand passenger side. There's plenty of oil on the driver side, and the ...

Many larger refrigeration and air conditioning compressors — usually over 5 horsepower — have forced oiling systems. These compressors contain an oil pump located at the end of the compressor’s ...

Q. I have a problem with the oil gauge needle on my 2006 Chevrolet Trailblazer. The issue is it goes all the way up to the top of the gauge when it is hot out. Could it be a bad sensor? The car had an ...