Horsepower and torque are all about cylinder pressure. Compression ratio, cam timing, cylinder head flow, and all the rest of the goodies that go into an engine aren't worth much if what enters the ...

A remote starter switch and a top-quality, screw-in-type compression gaugeâ such as these models from Sears, Roebuck & Companyâ can be used to measure the pumping efficiency of an engine, as well as ...

To help detect and pinpoint faults in ailing motors there are various aids, such as warning lights on the dash and on-board diagnostics. But there are a couple of simple tests that give us a pretty ...

Speaker 1: Jake, I've had a customer come in and he thinks there's a problem with the exhaust emissions, so if you could do a leak-off test on it to prove that it is from the cylinders and not a major ...

Q:Hi, my name is Paul. I am new to the Corvette world but have been working on cars all my life. I enjoy the technical articles the magazine publishes. I especially enjoy the online articles. I have ...

Vehicles affected by this service bulletin: Only those equipped with 3.6-liter V-6. The problem: Owners may note a lit Check Engine light accompanied by rough engine operation. See More Service ...