When the check-engine light snaps on, it is not a suggestion, it is your car’s way of saying something in the powertrain or ...

Cylinder misfires can turn a smooth commute into a rough, fuel‑wasting slog, and they almost always leave a trail of ...

Here’s something you’re supposed to do about once every millenium or so on your trusty BMW Airhead – apply heat sink compound to the underside of the electronic ignition module. Thanks to Matt ...

We're always looking for ways to make more power without spending too much money. We bolt on carburetors and intake manifolds. We also perform cam swaps in our quest for power. When that doesn't meet ...

The demands for better emissions and fuel economy in the mid 1970s necessitated leaner fuel mixtures. These leaner mixtures required greater voltage and more spark to ignite. This challenge led GM ...