Mercury Grand Marquis 2003 (2012) remap files
1 Mercury Grand Marquis (2003 (2012)) engines with standard and Stage 1 remap figures. Click an engine for ECU type, read methods and the full list of solutions.
| Engine | Fuel | Standard | Stage 1 remap | Increase |
|---|---|---|---|---|
| 4.6 V8 239bhp | Petrol | 239 bhp · 382 Nm | 260 bhp · 400 Nm | +21 bhp |
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