Jaguar XK 4.2 V8 Supercharged
ECU Remapping Portsmouth

Jaguar XK 4.2 V8 Supercharged power and torque after remapping

• Fuel: Petrol
• Standard power: 420 bhp, remapped: 465 bhp (+45 bhp, +11%)
• Standard torque: 560 Nm, remapped: 665 Nm (+105 Nm, +19%)
• Service: stage 1 ECU remap, fully dyno tested

What a remap does for a petrol Jaguar XK

With a petrol engine the remap works through the ECU's ignition, fuelling and turbo boost tables. Re-calibrating them within safe limits releases power that is already there, rather than adding anything to the engine.

Jaguar XK 4.2 V8 Supercharged against other XK engines

Ranked by power gain against the other petrol XK engines (2 in total), the 4.2 V8 Supercharged is 1st, 10 bhp above the XK petrol average of 35 bhp.

Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 45 bhp and 105 Nm sits at or above that benchmark.

Book chip tuning for your Jaguar XK in Portsmouth

This is the Portsmouth site of the Remap Experts network, serving local drivers. We regularly work with drivers in Hayling Island, Winchester, Southsea, Newport and Gosport and nearby areas of the South East.

Every remap is fully dyno tested and comes with a 30 day money back guarantee and a lifetime software warranty. Call 0800 779 7864 for a quote.

If you are closer to Southampton, Sussex and Basingstoke, those neighbouring Remap Experts sites can help too.