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 ...

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 ...