Chevrolet Silverado 2007-2010 6.6 V8 DuraMAX 365bhp remap figures
Stock, this 2007-2010 Chevrolet Silverado diesel (6.6L) produces 365bhp and 895Nm. Our expected figures for a Stage 1 remap are 450bhp and 1063Nm, an expected gain of up to 85bhp and 168Nm.
Choose your map
Stage 1 remap figures
A Stage 1 remap is a software-only change to the ECU on an otherwise standard car. It needs no extra parts, which makes it the usual starting point.
| Stock | Vanguard expected | Expected gain, up to | |
|---|---|---|---|
| Power | 365 bhp | 450 bhp | +85 bhp |
| Torque | 895 Nm | 1063 Nm | +168 Nm |
All maps at a glance
| Map | Power | Torque | Expected gain, up to |
|---|---|---|---|
| Stock | 365 bhp | 895 Nm | |
| Stage 1Maximum software-only performance | 450 bhp | 1063 Nm | +85 bhp +168 Nm |
| Stage 1 EcoPerformance with economy in mind | 429 bhp | 1050 Nm | +64 bhp +155 Nm |
| Eco mapEconomy first | 422 bhp | 1041 Nm | +57 bhp +146 Nm |
Who is the Stage 1 map for?
- Drivers who want stronger pulling power for overtaking, hills and towing, with no parts to fit.
- Daily and motorway drivers who want the engine to feel less strained at cruising speed.
- Anyone who wants the biggest software-only change we list for this engine.
What this means for your Silverado
On a diesel the biggest change is normally torque: the remap changes how much fuel and boost the ECU allows across the rev range, so pulling power arrives earlier and holds on longer.
The ECU recorded for this variant is a Bosch EDC16C42. We read the ECU on your car and compare it with the software listed here before any work starts, so you know what to expect before you commit.
We remap at our Belgrave Gate workshop in Leicester, or at your home or work within 30 miles, and every job starts with a diagnostic check.
Please note: these are expected figures, not guarantees. Real results vary with the condition of the vehicle, the ECU software version, fuel quality and the hardware fitted. Some options - including Stage 2 and anything that needs extra hardware - are for off-road or competition use only. We check every vehicle first and confirm what is achievable before any work starts.
Figures reviewed 22 October 2026.
Stage 1 questions
How much power does the Stage 1 map give the Chevrolet Silverado 6.6 V8 DuraMAX 365bhp?
We expect 450bhp and 1063Nm against 365bhp and 895Nm as standard: up to +85bhp and +168Nm. These are expected figures, and we confirm what is achievable on your own car after a diagnostic check.
Does a Stage 1 remap need any extra parts on the Chevrolet Silverado 6.6 V8 DuraMAX 365bhp?
No. Stage 1 is a software-only change to the ECU on an otherwise standard car.
Is there a gentler map than Stage 1 for this engine?
Yes, two. Stage 1 Eco is performance with economy in mind: 429bhp and 1050Nm expected. The Eco map is economy first: 422bhp and 1041Nm. Both still sit above the standard 365bhp and 895Nm.
Do I need to tell my insurer about a remap?
Yes. A remap is a modification, so you should declare it to your insurer.
More Chevrolet Silverado figures
Other diesel variants
All diesel Silverado variants · Silverado 2007-2013 overview · All Chevrolet figures