Controller-Matched FileDD84 Holley EFI LS Startup Calibration Bundle
- Confirm the ECM/controller family shown in this listing.
- Be prepared to provide a stock read / OS information when DD84 requests it.
- HP Tuners credits, unlocks, specialty cables or loaner hardware can be additional.
- Do not use segment-swap instructions unless this exact product/application supports them.
Ask DD84 to confirm the application, selected package, timing and any additional costs before purchase. Ask DD84
MATCHED CALIBRATION SERVICE
Coordinate the startup areas in one Holley file.
Custom LS startup bundle covering applicable engine, 4L80E and boost-control configuration. Final dyno or wide-open-throttle tuning is separate.
Complete Holley EFI LS Calibration Bundle
Send DD84 your current Holley EFI Global File and complete vehicle setup. We will review the file and prepare one customer-specific startup calibration covering the applicable engine, idle, 4L80E transmission-control, and boost-control areas selected for your build.
How It Works
- Purchase the complete calibration bundle.
- Email your Holley Global File and complete setup information to downdirty84llc@gmail.com.
- Use the subject line: Holley Complete Calibration – Order #[order number] – [name].
- DD84 returns the calibrated file electronically after review.
Typical turnaround: 24–48 business hours after all required information is received. Complex or unusual combinations may require additional time.
Bundle Coverage
- Naturally aspirated or cammed LS startup calibration
- Cranking, warm-up, idle-airflow, and idle-speed setup
- Baseline fuel and ignition calibration
- 4L80E transmission-control setup when applicable
- Boost-control starting strategy when applicable
- Sensor, I/O, protection, and datalog-channel review
- One initial calibrated file returned by email
Email With Your File
- Shopify order number
- Holley ECU model, software version, and firmware
- Vehicle year, make, model, approximate weight, and intended use
- Complete engine, camshaft, injector, fuel-system, ignition, sensor, and wideband details
- Transmission build, converter stall, rear gear ratio, and loaded tire diameter
- Turbocharger or supercharger, wastegate, solenoid, plumbing, dome-pressure, and target-boost details when applicable
- Current I/O assignments, fan controls, safety limits, current problems, requested changes, and datalogs when available
Not Included
- Dyno tuning or final wide-open-throttle validation
- Unlimited revisions or ongoing remote-tuning support
- Mechanical diagnosis, wiring repair, or hardware installation
Bundle price: $399. The services appropriate to your vehicle are confirmed during intake; compare the scope with individual startup, transmission and boost-control offerings before purchase.
Safety notice: This is a customer-specific startup calibration, not a completed dyno tune. Verify fuel pressure, oil pressure, timing synchronization, wideband operation, sensor calibration, speed signals, I/O assignments, boost plumbing, rev limits, and all safety settings before operating the vehicle under load.
Down Dirty 84 LLC is an independent calibration provider and is not affiliated with or endorsed by Holley Performance Products or General Motors. Compatibility and the accuracy of submitted information are the purchaser’s responsibility. Sales are final after calibration work begins except where required by law.