ignition

Introduction These are the most frequently asked questions about Ford inline six engines — the 144, 170, 200, and 250 cubic inch family. Whether you're brand new to the inline six world or returning after a long absence, this FAQ covers the foundational decisions and modifications that define a...

Introduction This trouble shooting guide covers the most common problems encountered with Ford inline six engines (144, 170, 200, 250, and 300 cubic inch). Whether you're dealing with a no-start condition, rough idle, miss under acceleration, or oiling issues, work through the relevant section...

Overview The Performance Distributors DUI (Davis Unified Ignition) is a complete drop-in electronic distributor that replaces the stock Ford breaker-point unit with HEI-style electronics, a high-output integrated coil, and a factory-optimized advance curve. It eliminates points, condensers, and...

Why Upgrade Your Ignition? The stock Ford inline six used a breaker-point ignition system that was adequate for its era but has real limitations for modern performance use. Points wear, require periodic adjustment, and struggle to maintain a consistent spark at higher RPM. Upgrading to an...

The ignition system is the part of your vehicle/engine that ignites the compressed fuel and air mixture in the combustion chamber. The system consists of a voltage supply (12-volt battery), an on/off switch (ignition switch), a distributor, a triggering device, ignition coil, spark plugs, and...