Holley EFI Tuning Services | Remote & In-Person

Professional Holley EFI Tuning for Street and Performance Builds

Choose the package that matches your naturally aspirated, cammed, E85, flex-fuel, or boosted combination. DD84 provides custom Holley EFI calibration support focused on reliable startup, idle quality, drivability, fueling, ignition strategy, and safe system operation.

Service Packages

• Startup Calibration File Only: Initial ECU configuration to start and idle a mechanically complete vehicle. This is not a finished street tune.
• Remote NA Base Tune: Remote calibration for stock or lightly modified naturally aspirated combinations.
• Remote Cammed/Modified NA Tune: For camshaft, injector, intake, exhaust, and other airflow modifications.
• Remote E85/Flex-Fuel NA Tune: Includes ethanol-content and fuel-strategy configuration for compatible systems.
• In-Person NA Street Tune: Street drivability calibration performed in person by appointment.
• In-Person Boosted Street Tune: For turbocharged or supercharged street combinations after fuel-system and mechanical verification.

Before Tuning

The vehicle must have correct wiring, stable fuel pressure, verified sensors, no mechanical faults, and a safe operating condition. Additional troubleshooting, wiring repair, travel, dyno time, advanced boost control, nitrous strategy, or transmission work may require a separate quote.

What Happens After Checkout

1. You receive vehicle and combination intake instructions.
2. Your ECU, engine, fuel system, and hardware are reviewed.
3. Files, datalogs, or appointment details are exchanged based on the selected package.

Choose your service package and checkout to reserve your calibration.