Expected gains of +20 BHP and +20 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Ford Mustang 5.2 V8 Shelby GT500 771hp? A Stage 1 remap can take this 2018 -> ... petrol engine from 771 BHP to 791 BHP and from 847 Nm to 867 Nm of torque (naturally aspirated). This engine scores 3/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Ford Mustang can achieve.
The Ford Mustang 5.2 V8 Shelby GT500 771hp is a 5.2L naturally aspirated petrol engine producing 771 BHP and 847 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 791 BHP and 867 Nm — a gain of around 20 BHP (3%) and 20 Nm (2%).
This engine has low 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 |
|---|---|---|---|---|---|
| 2.3 Ecoboost 290hp | 290 → 320 | +30 | 450 → 520 | +70 | Good (6/10) |
| 5.0 V8 GT 449hp | 449 → 470 | +21 | 529 → 560 | +31 | Limited (3.5/10) |
| 5.0 V8 GT Bullit 460hp | 460 → 480 | +20 | 529 → 599 | +70 | 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.