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The standard power of your Jaguar XJ 4.2 V8 SC 400hp vehicle is factory 400 hp / 540 nm. After Jaguar XJ chip tuning custom vehicle software, your vehicle will gain +70 hp / +90 nm additional power and reach a total power of 470 hp / 630 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.
Jaguar XJ 4.2 V8 SC 400hp chip tuning stage1 file is completed in about 1-2 hours.
| Type of fuel | petrol |
| Method | Chiptuning |
| Tuning type | Stage 1 |
| Cylinder content | 4196 CC |
| Compression ratio | 9.10 : 1 |
| Bore X stroke | 86.00 X 90.30 mm |
| Engine number | AJ34 |
| Engine ECU | Denso MB279700 |
| Gearbox ECU |
