Ready-to-load Holley Global file: Enables immediate use for LS engine builds
Safe base ignition timing tables: Prevents timing errors and ensures reliable startup
Startup fuel configuration: Optimizes fuel delivery for smooth engine ignition
Idle air control settings: Maintains stable idle quality from the start
Injector scaling setup: Accurately maps injector data for consistent performance
Summarized by Shop
Start Your LS Engine the Right Way
If you're installing a Holley Terminator X ECU on your LS engine, getting the base calibration correct is the difference between a smooth startup and hours of frustration.
Our LS Holley Terminator X Basemap gives you a proven starting calibration designed to help your engine start, idle, and run safely s