Considering an ECU remap for your McLaren P1 3.8 V8 916hp? A Stage 1 remap can take this All petrol phev engine from 916 BHP to 1000 BHP and from 900 Nm to 1000 Nm of torque (naturally aspirated). This engine scores 4.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your McLaren P1 can achieve.
Comparisons are calculated from our own recorded Stage 1 figures.
The McLaren P1 3.8 V8 916hp is a 3.8L naturally aspirated petrol phev engine producing 916 BHP and 900 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 1000 BHP and 1000 Nm — a gain of around 84 BHP (9%) and 100 Nm (11%).
This engine has limited remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.. High tuned torque: check transmission torque capacity and service history.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
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All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method.
We recommend discussing your specific vehicle with a qualified remap professional before proceeding.
