10% FUEL SAVING ON AVERAGE

What is Surbo? Achieve red line by 1/2 throttle for manuals, and higher revs than usual for autos! Surbo price in Singapore Surbo in various countries Why choose Surbo? More horsepower with Surbo How Surbo works user-reviews-Surbo cars-fitted-with-Surbo

FAQ: How can the Surbo save fuel with more air, as the fuel will be increased to match the extra air?

First, a fact: according to Wikipedia, the amount of fuel injected into an engine at any moment is proportional to the number of cylinders running, rpm, and how much the accelerator is pressed. Therefore, for most vehicles with fixed cylinders, it just depends on how high the engine is revved, and how much pressure is exerted on the accelerator. So, for the same rpm, the fuel injected depends entirely on accelerator pressure.

Secondly, the fuel to an engine is fed by a pressure pump, so the engine can quickly allow more fuel in to adjust to excess amounts of air, in the ideal 14.7 to 1 air to fuel ratio, for proper combustion.

Thirdly, however, the air flow cannot quickly catch up with the sudden increase in fuel pressure, in instances of pressing the accelerator hard. The air is never compressed in a normally aspirated engine, and even in a turbocharged engine, the air is not pressurized before the turbocharger is on boost, and for a supercharged engine, the air is not compressed before a certain rpm, as the supercharger is mounted onto and takes the rotational speed of the engine. This means that in these instances, the fuel is always more ready than the air to enter the engine, and cause over-fueling.

Due to inertia at a standstill, the accelerator is pressed more, and fuel always goes in first, and air lags. The Surbo, with its air jetting capability, stores pressured air in the engine oil chamber from idle, and as this supplies more torque to the engine, it requires less accelerator pressure to move the car. Therefore, the air-fuel ratio becomes closer to ideal, and even if there is excess air, the engine will sense it via its air flow meter or absolute pressure sensor, and feed the correct amount of fuel. This results in quicker acceleration, and a higher gear can be used sooner, so that fuel will be saved.

Videos:

Watch this video showing how engine revs with Surbo

Watch the video above showing how an engine revs with Surbo. Or watch it with the How it works page.

Video of Volvo XC90 T8 with Surbo, sprinting to 130 kph

Above: video of Volvo XC90 T8 with Surbo, sprinting to 130 kph.

Video of Volvo XC90 T8 with Surbo, sprinting to 211 kph

Above: video of Volvo XC90 T8 with Surbo, sprinting to 211 kph.

Video of Volvo XC90 T8 with Surbo, sprinting to 224 kph

Above: video of Volvo XC90 T8 with Surbo, sprinting to 224 kph.

Site Map:

TESTIMONIALS:

Customer reviews

BENEFITS:

More torque and horsepower (dyno test)

Quick throttle response

10% fuel saving

Easy revving (1/2 throttle to RPM limit)

Instant auto gear kickdown

Faster acceleration

More power uphill

Higher top speed

Brisk overtaking

VEHICLES FITTED BY TYPE:

Automatic

CVT

Petrol turbo

Diesel/ turbodiesel

Hybrid

Manual

Supercharged

How Surbo feels (by car type)

Motorcycles

Natural gas

Surbo pictures Installation Photos

Compatible new cars

Vehicle inspection compliance

TECHNICAL INFO:

What's Surbo?

How Surbo works

Twin Surbo

Surbo5 for large engines

Reduced turbo lag

Surbo vs other accessories

How Surbo can be used

Optimal air compression

Allows lower octane (less engine knock)

Longer engine life (lighter throttle)

Less diesel smoke

Reduced CO2 emissions

FAQ

ABOUT US:

Company history

Surbo's origin

Other applications for Surbo

Surbo wins race in India

Runner up (S'pore race)

Racing gokarts

During the installation

Aftersales/ removal

Lifetime warranty

Re-installation (fits most cars)

Refund policy

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Note: the Surbo is not a moving fan. Beware of other sellers who use our trademark Surbo to sell their products.