Mail-In AFM/DOD or VVT Delete Service – 2006–2018 GM 4.3L–6.2L ECMs

This is a mail-in service. No physical parts are included. You are sending us your ECM to be professionally modified.

Service Description:

This service provides a complete calibration to permanently disable either the Displacement on Demand (DOD/AFM) system or the Variable Valve Timing (VVT) system — or both — in your GM vehicle’s ECM.

These systems are known failure points, especially during performance builds or camshaft swaps. This tuning service ensures they are fully removed from the ECM software with:

No diagnostic trouble codes (DTCs)

No check engine lights

Safe operation without requiring the physical components to remain in place (assuming no mechanical faults)

Choose AFM/DOD delete, VVT delete, or both, depending on your engine setup.

Coverage:

Compatible with most 2006–2018 GM vehicles

Supported engines: 4.3L, 4.8L, 5.3L, 6.0L, 6.2L

Ideal for cam swaps, performance upgrades, or preventative deletes

Turnaround Time:

24-hour processing once your ECM arrives

How to Use This Service:

1. Purchase the Service

Complete checkout through our website. You’ll receive an order confirmation email with your order number.

2. Prepare Your Shipment

Include the following in the box with your ECM:

A printout of your order confirmation or a note with:

Your order number

Your full name, return shipping address, phone number, and email

Which system(s) to delete: AFM/DOD, VVT, or both

Any additional tuning requests (additional charges may apply)

3. Pack and Ship Your ECM

Protect your ECM with appropriate padding

Ship to:

330 Performance

           9070 US-79, Springville, TN 38256

4. We Handle the Rest

Once received, your ECM is modified within 24 hours and shipped back to you ready to install.