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 order to realize maximum engine performance, your ignition system must be in top operating condition. While aftermarket electronic replacement systems are best, older point distributors can still ...

If there's already a distributor in the engine, the first step is to mark the position of the rotor so you can make sure to insert the new distributor in the same position. We like to turn the ...

The postwar General Motors OHV V-8s were difficult to tune. Ignition distributors mounted at the firewall end of the engine, and the breaker points and condenser were difficult to replace. In the late ...