To ensure that the test was fair, we had to make this distributor as good as new, or better. So, before it ever saw action, the stock distributor was treated to a new rotor, cap, and module.

The Super HEI Kit-which is a smog-legal modification, by the way-allows you to retain an already installed HEI distributor. Depending on the type of module you're running (four-, five-, or seven ...

Four Wheeler's Verne Simons shows us how to install a Davis Unified Ignition HEI Distributor in an AMC 304 V-8.

Here's the drill. If you have an AMC, a Ford, or a Chrysler distributor with a magnetic pickup, it's really easy to convert to a standard four-pin GM HEI module.