Chevrolet Trailblazer Tuning
10 supported Chevrolet Trailblazer applications, 2002+.

Chevrolet
10 supported Trailblazer tunes
Select Version
All Supported Chevrolet Trailblazer Tunes
| Engine | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| 4.2 | 2008-2010 | ECU | HP Tuners | ||
| 2.5L | 2006+ | 197 hp | ECU Delco E98 | AutoTuner | |
| 2.5L | 2006+ | 197 hp | ECU Delco E39 | AutoTuner | |
| 2.5L | 2006+ | 197 hp | ECU Delco E80 | AutoTuner | |
| 2.5L | 2006+ | 197 hp | ECU Delco E39A | AutoTuner | |
| 6.0 V8 | 2006+ | 404 hp | ECU Delco E38 | AutoTuner | |
| 6.0 V8 | 2006+ | 404 hp | ECU Delco E67 | AutoTuner | |
| 5.3, 6.0 | 2005-2010 | ECU | HP Tuners | ||
| 5.3 | 2003-2004 | ECU | HP Tuners | ||
| 4.2 | 2002-2007 | ECU | HP Tuners |
Other Chevrolet Models
About Chevrolet Trailblazer tuning
Rapid Racing supports 10 Chevrolet Trailblazer applications from 2002+ through AutoTuner and HP Tuners, with stock outputs up to 404 hp. Every calibration is built for your exact engine, fuel, and modifications, then verified on our Dynojet 424xLC2 in Jenison, MI, serving Grand Rapids and West Michigan.
Supported engines: 2.5L, 4.2, 5.3, 5.3, 6.0, 6.0 V8.
Supported controllers: Delco E38, Delco E39, Delco E39A, Delco E67, Delco E80, Delco E98.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.
