Professional GM Tuning & Module Programming Services
Specializing in Chevrolet, GMC, Pontiac, Buick, Hummer, Cadillac, Oldsmobile, Holden and Mopar Performance
Expert GM Engine & Transmission Tuning
Ewalt's Auto Tuning provides professional ECU programming and custom tuning for GM and Mopar vehicles. Whether you need performance tuning, fuel economy optimization, or factory module programming, we handle everything from late model to classic GM trucks and SUVs.
Custom ECU Tuning Services
Performance Tuning - Vortec, LS, LT, V8, V6, L4, L5, L6
Economy Tuning - Optimize fuel economy on stock or modified GM vehicles
Transmission Tuning - 4T65, 4L60, 4L80, 6L80, 8L90, 10L80, and 68RFE shift programming
HP Tuners Remote Tuning - Mail-order tuning with data logging support
Factory GM Flashing - OEM-level module updates and calibrations
GM Module Programming & Repair
VIN Changes - T87, E38, E67, P12, and other GM ECU platforms
BCM Programming - Body control modules for Hummer H3, Colorado, Silverado, Trailblazer, and more
"Non-Replaceable" Module Programming - ABS, PCM, and BCM on Equinox and other models
Security System Services - VATS, Passlock, and SKIM removal/bypass
Module Cloning & Recovery - Save your original calibrations and clone to replacement modules
Specialized Services
Stock File Recovery - Retrieve factory calibrations from any GM vehicle
Email Tunes - Security deletes, flex fuel enable, speed limiter removal
Bricked Module Recovery - Repair failed flash attempts
PCM Unlocking - Chrysler GPEC2/GPEC2A, GM T87A, T93, E41, E90, E93
Home of the 8.1 496 Chevy Astro
What Customers Say
Tuning for Real-World Drivability
Some people think that tuning for wide-open throttle is the ultimate goal, but they're missing the point. Peak horsepower numbers look great on paper, but they don't tell the whole story.
The real satisfaction comes from the overall drivability of your vehicle - how it responds to your inputs, how it behaves in different situations, and how it makes you feel behind the wheel. A proper tune transforms your daily driving experience.
That's why we dedicate hours to fine-tuning the idle quality, cruise behavior, and "around-town" driving conditions. You'll enjoy every mile, not just the occasional full-throttle pull. Whether you're commuting, towing, or cruising on the highway, your vehicle will feel smoother, more responsive, and more refined.
Let's Talk About Your Project
Need a custom tune? Module programming? VIN change? Let us know what you're working on. Whether it's a Corvette build, a truck that needs better MPG, or a BCM that the dealer says is "unrepairable," we've got you covered.
Your vehicle is in good hands - we only make the changes you approve. Fill out the form and we'll respond with pricing and next steps.
