Fuel Injection

Jenvey Individual Throttle Body Setup Guide for the Ford Inline Six A complete guide to linkage, balancing, TPS installation, fuel rail plumbing, and maintenance Individual throttle bodies (ITBs) represent one of the most rewarding fuel delivery upgrades you can make to a 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 Injection — Q&A Classic Inlines Technical Archive — Jenvey Dynamics Reference Note: This article addresses general throttle body theory and Jenvey-specific products as documented in the Classic Inlines archive. The principles apply broadly to any individual throttle body (ITB)...

Overview This article provides detailed camshaft specifications for the Ford inline six (170/200/250ci) engine family, with a focus on the Clay Smith cam lineup previously available through Classic Inlines. These specifications include part numbers, lift values at multiple rocker arm ratios...

Choosing the Right Camshaft for Your Ford Inline Six The camshaft is the single most important decision in building a performance Ford inline six engine. Choose wrong and no other modification will save you. An improper cam produces an engine that either stumbles, stalls, and annoys you in...

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...