5.0 V8 - 421ch Tuning
Ford Mustang: detailed power and torque gains by stage.
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Gains by stage(4)
Power
421 hp
Torque
530 Nm
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Stage 1 file for the 5.0 V8 - 421ch
Send the ECU read, get back an optimised and tested file.
- Stage 1, Stage 2, E85
- Checksum corrected, original file kept
- For professionals only
Everything about 5.0 V8 - 421ch tuning
Tuning the 5.0 V8 - 421ch found in the Ford Mustang is one of the most popular performance upgrades. This engine offers excellent potential for power and torque gains.
On ChiptuneMAP, find verified gain data for each stage, compare tuner prices and find the ideal professional for your project.
Gains summary by stage
On the Ford Mustang 5.0 V8 - 421ch, tuning delivers up to +59 hp and +80 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 421 → 440 hp | 530 → 550 Nm | On quote |
| Stage 2 | 421 → 480 hp | 530 → 610 Nm | On quote |
| E85 Flexfuel | 421 → 421 hp | 530 → 530 Nm | On quote |
| E85+ | 421 → 440 hp | 530 → 550 Nm | On quote |