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

The HEI distributor is an inductive-discharge-style ignition, but with the points replaced by a solid-state switching device called an electronic ignition-control module.

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.

PD (Performance Distributors) reworked the HEI with their 50,000-volt D.U.I. coil and Dyna-Mod module, so voltage doesn't drop off until around 7,500 rpm for their street/strip coil, and 9,000 rpm ...