ford inline six

Idle Air Bypass Valves for Ford Inline Six Throttle Body Installations One of the most overlooked details when building a multi-throttle-body EFI system on the Ford inline six is the idle air bypass (IAC) circuit. On a conventional single-throttle-body or plenum-based EFI system, idle air...

Engine Management Systems: A Complete Technical Guide for the Ford Inline Six The Ford inline six — whether you're running a 170, 200, or 250 — is a fundamentally sound engine that responds well to modern fuel injection and ignition management technology. While carburetion remains popular in...

Throttle Body Idle Air Bypass: Setup and Installation for Ford Inline Six EFI Originally compiled from the Classic Inlines technical archive. Adapted and expanded for the fordsix.com community. When converting a Ford inline six to individual throttle body EFI, one of the most important — and...

Engine Management Systems: A Technical Guide for Ford Inline Six Builders Originally compiled from the Classic Inlines technical archive. Adapted and expanded for the fordsix.com community. Modern engine management systems (EMS) do a fine job of ensuring that engines run cleanly 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...

Overview: Why Weber? The Weber carburetor has been a staple of Ford inline six performance for decades, and for good reason. Designed in Italy and originally built for European performance cars, Weber down-draft carburetors brought sophisticated progressive throttle design and excellent...

Introduction The Autolite 1100 and 2100 carburetors served Ford's inline six engines faithfully for decades — but if you're chasing better cold-start behavior, consistent fuel delivery at varying altitudes, improved fuel economy, and the elimination of endless carburetor tuning, Holley's Sniper...