Reliable LS Swap & EFI Tuning
Calibration services for Holley EFI, ACES EFI, and GM factory ECUs using HP Tuners.
From LS swap startup tunes to complete fuel and ignition calibration for street, performance, and custom builds.
Best for: LS swaps • street builds • carb-to-EFI conversions • Holley & ACES standalone systems
Supported Platforms:
Holley Sniper • Terminator X • Holley HP • Holley Dominator
ACES Killshot • Joker • Wildcard • Jackpot • Deuces Wild
GM P01 • P59 • HP Tuners
Reliable Calibration
LS swap startup tunes, EFI configuration, and drivability optimization for street and performance builds.
- ✔ LS swap base startup tunes
- ✔ Holley & ACES standalone EFI setup
- ✔ Fuel and ignition calibration
- ✔ Injector, MAP/MAF, and sensor configuration
- ✔ Data log review and tune revisions
Aces EFI Tuning
Configuration and calibration for ACES Jackpot, Killshot, Joker, Wildcard, and Deuces Wild EFI systems. Services include base startup tunes, injector and fuel system setup, ignition mapping, sensor configuration, idle control, fan outputs, and drivability optimization for LS swaps and custom engine builds.
Holley EFI Tuning
Setup and calibration for Holley Sniper, Terminator X, HP, and Dominator EFI systems. Includes fuel and ignition mapping, injector and sensor configuration, idle and startup tuning, fan and I/O setup, and drivability optimization for LS swaps, street builds, and performance projects.
HP Tuners EFI Tuning
Factory ECU calibration for GM LS engines using HP Tuners. Includes injector and MAP configuration, transmission tuning, fan control, fueling and ignition optimization, idle and drivability refinement, and calibration changes for stock or modified combinations. Well suited for LS swaps, street vehicles, and performance builds using factory GM engine management.
LS Swap Base Tunes
Startup calibration services for LS engine swaps using stock GM ECUs such as P01 and P59. The ECU is configured to match your engine combination, injectors, MAP or MAF setup, transmission, and vehicle configuration so the engine starts and runs correctly. Services include VATS removal, injector data setup, MAP/MAF configuration, fan control, transmission settings, gear and tire calibration, and disabling unnecessary emissions systems to provide a reliable baseline tune for your swap.
Based in Longview, TX
Midgard Industries is owned and operated by Charlie Moyer and provides EFI tuning and LS swap calibration services for street and performance vehicles. Local support is available in the Longview area by appointment, with additional support available for customers working on swaps and custom builds who need help getting their projects running reliably.