Expected gains of +30 BHP and +36 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Chevrolet Express 6.6 V8 250hp? A Stage 1 remap can take this 2001 - 2007 diesel engine from 250 BHP to 280 BHP and from 624 Nm to 660 Nm of torque (turbocharged). This engine scores 5.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Chevrolet Express can achieve.
The Chevrolet Express 6.6 V8 250hp is a 6.6L turbocharged diesel engine producing 250 BHP and 624 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 280 BHP and 660 Nm — a gain of around 30 BHP (12%) and 36 Nm (6%).
This engine has moderate remap suitability, with gains weighted towards peak power — the improvement is most noticeable at higher RPM. The tuning headroom is classified as limited, based on the percentage gain available from the factory output.
Considerations: High tuned torque: check transmission torque capacity and service history.. Older diesel: injector, turbo and intake condition can affect results; ensure maintenance is up to date.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
| Engine | BHP | Gain | Torque | Gain | Score |
|---|---|---|---|---|---|
| 4.8 V8 275hp | 275 → 295 | +20 | 393 → 420 |
| +27 |
| Limited (3.5/10) |
| 5.3 V8 290hp | 290 → 310 | +20 | 441 → 465 | +24 | Limited (3.5/10) |
| 6.0 V8 304hp | 304 → 325 | +21 | 488 → 515 | +27 | Limited (3.5/10) |
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All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method.
We recommend discussing your specific vehicle with a qualified remap professional before proceeding.