Engine powerupgrade
Unlocking what an engine already has in it, without pushing it beyond what it can take: diagnosis, custom mapping, engine breathing and validation on the power dyno.
- Signes · Var (83)
- Opposite Paul Ricard circuit
- Power dyno
More power, more torque, a livelier engine — always within the safe limits of the mechanics.
Where does the extra power come from?
Everything starts with the map: reprogramming the ECU that controls fuelling, ignition and, on turbo engines, boost pressure. This calibration is what separates what an engine could deliver from what it actually delivers.
An engine is an air pump. Freeing up the intake and working on the exhaust improves cylinder filling and gas flow — as long as the map follows. These items are never handled in isolation.
Stage 1, 2 or 3: choosing your level
A power upgrade is built in measured steps. Each level corresponds to a different depth of work on the engine.
▸ Stage 1
Rewriting the factory map with no hardware change. The safest starting point for a healthy, well-maintained engine.
▸ Stage 2
Mapping combined with breathing upgrades (intake, exhaust). The engine makes better use of the air it takes in and expels.
▸ Stage 3
Heavier hardware upgrades around the engine and forced induction, planned as a complete project including cooling and drivetrain.
Reliability before numbers
A serious map is never built from a universal template. It is developed on the dyno and on the road, parameter by parameter, according to the engine, its ancillaries and the intended use.
At Bernis Factory, an engine engineer leads this work: we look for the right balance between output, drivability and longevity rather than a flattering figure on paper. A tired or poorly maintained engine is not tuned like a healthy one.
Two uses, two philosophies
On the road, drivability comes first: low-rev flexibility, usable everyday power, flawless reliability. On track, sustained full throttle and rising temperatures demand as much thought for cooling, lubrication and endurance as for raw power. Based opposite the Paul Ricard circuit, we tailor every build to how you really drive.
From workshop to road
A clear, transparent protocol, from the first conversation to handing your car back.
- 01
- DiagnosisEngine condition, service history and fault reading before any work begins.
- 02
- SpecificationRoad, track, drivability or lap times: we define the goal and the right level together.
- 03
- Mapping & dynoCustom calibration, measured gains, air-fuel ratio, temperatures and boost checked.
- 04
- Testing & sign-offRoad verification, final adjustments, every step validated before the next.
Power upgrade: your questions
Does increasing power damage the engine?
Not when the work is done on a healthy, well-maintained engine and the parameters stay within its limits. It is a poorly executed or excessive tune that puts the mechanics at risk.
Do I need to change parts to gain power?
Not necessarily. A Stage 1 is done on the stock configuration, through mapping alone. Intake, exhaust or forced-induction upgrades belong to the higher levels.
What gains can I expect?
It depends on the engine. Turbocharged units respond most strongly to mapping; naturally aspirated engines gain more modestly. The power dyno gives the real figure for your car.
Is tuning different for road and track?
Yes. On the road we favour drivability and flexibility; on track, thermal resistance, lubrication and component endurance become the priority. The specification is defined with you before any work.
Which cars do you work on?
Mainly sports cars: Ferrari, Mercedes-AMG, Nissan GT-R, Porsche, BMW M, Toyota Supra… Engines with a large power reserve but demanding electronics that leave no room for approximation.
Power upgrades in the Var
Bernis Factory works in Signes and across the Var (83) — Le Castellet, Marseille, Aix-en-Provence, Brignoles, La Ciotat — on engine power upgrades for sports cars. Being right next to the Paul Ricard circuit lets us validate every build in real conditions.
Whether you want more everyday enjoyment or a car built for track days, we always favour a custom approach and reliability over chasing numbers.
A project,
a call.
Tell us about your car and how you use it. We'll figure out the right service together, maintenance, engine tuning, chassis, restoration.
83870 Signes
Across from the Paul Ricard circuit
Monday, Friday · 9:30-18:00
By appointment only