BHP+84 hp (9%)
Standard
916 hp
Tuned
1000 hp
Torque+100 Nm (11%)
Standard
900 Nm
Tuned
1000 Nm
Suitability
Moderate (4.5/10)Gains Profile
BalancedHeadroom
MediumMcLaren P1 3.8 V8 916hp ECU Remapping
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.
How this engine compares
- 97%of the 9,842 engines we hold gain data for see a smaller power increase
- 79%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
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.
Considerations
!Naturally aspirated engine: gains are usually limited; results vary widely.
!High tuned torque: check transmission torque capacity and service history.
Technical Specifications
- Fuel Type
- Petrol PHEV
- Aspiration