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 ...

In the timing section of "Power Tuning" we learned why a distributor has an ignition curve and how it works. Now we're going to look at the procedure for setting up an ignition curve or modifying an ...

Back in the day, point-triggered ignition system tune-ups were routine and happened roughly every 12,000 miles, along with a set of spark plugs and an ignition timing adjustment. These days, we’re so ...

There is only one way to find out for sure. Many Street Stock racing classes limit the ignition to stock-style replacement parts. For most Chevrolet and Ford engines, this means an HEI distributor is ...

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 ...