Expected gains of +21 BHP and +27 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Chevrolet Express 6.0 V8 304hp? A Stage 1 remap can take this 2001 - 2007 petrol engine from 304 BHP to 325 BHP and from 488 Nm to 515 Nm of torque (naturally aspirated). This engine scores 3.5/10 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 6.0 V8 304hp is a 6.0L naturally aspirated petrol engine producing 304 BHP and 488 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 325 BHP and 515 Nm — a gain of around 21 BHP (7%) and 27 Nm (6%).
This engine has limited remap suitability, though the available headroom is limited, so gains are modest compared to higher-output variants. The tuning headroom is classified as limited, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.. High tuned torque: check transmission torque capacity and service history.
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 |
|---|---|---|---|---|---|
| 6.6 V8 250hp | 250 → 280 | +30 | 624 → 660 | +36 | Moderate (5.5/10) |
| 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) |
Get a personalised remap quote for your Chevrolet Express. We'll connect you with a trusted professional in your area.
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.