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How much difference will remapping my engine make when using a standard petrol powered car?

April 26, 2017car difference engine petrol powered remapping standard

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How much difference will remapping my engine make when using a standard petrol powered car?

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Remapping a petrol engines ECU should produce an extra 10 – 15% extra BHP depending on exact specification; the engine should also be more responsive on initial acceleration and produce more torque (up to 20%) through out the entire rev range, giving more response on lighter throttle.