Dateline: Detroit, Michigan, 1981—in an effort to meet more stringent exhaust emissions and fuel economy standards, automakers have developed on-board computerized engine controls. With ignition ...

Here's what drives cars of the '80sâ the Electronic Computer Module(ECM).Typical GM unit has an analog board to run sensors, digital board for"thinking" and memory. Removable PROM(at left)calibrates ...

QHello. I have gotten myself into a bit of trouble with my computer controlled Quadrajet. My carburetor is running very rich, with black smoke coming out of the tailpipe. I removed the screw in the ...

It seems ironic that 10 years ago, diesels required almost no electricity, yet wouldn't exist today without computer controls. While some traditionalists may long for the days of mechanical injection, ...

Back in the days before variable valve timing (VVT) and computer-controlled engine tuning, one of the best ways to improve stock engine performance was to install an aftermarket camshaft, a process ...