10% FUEL SAVING ON AVERAGE
SITE MAP (below)
|You may want to||Related page||Observation with Surbo installed||Fact|
|Have more engine power but keep engine original||Installation Photos||The Surbo is inserted into the existing air pipe, or on the air filter||The installation is usually fully reversible|
|Improve throttle response||Improving throttle response||You'll feel that the accelerator feels quicker and lighter||Due to increase in torque from the Surbo throughout the rpm range, the accelerator is pressed less at every instant, so usually 10% fuel is saved|
|Spend within a budget||How to lower driving expenses||Surbo is a one time purchase, with no repeated expenditure, is usable for a lifetime, and is transferable between vehicles|
|Have less engine noise||The owner of a Surbo-equipped Nissan Cefiro V6, which has one of the quietest engines available, said there was less engine noise.||The smaller throttle opening required enables the engine to avoid extremely high compression so reducing noise, vibration and harshness|
|Rev higher, without using too much fuel||Red line on rpm meter is reached with just half throttle when the gear is held constant||Wikipedia-proven theory--fuel input at any moment is proportional to accelerator travel, given the same rpm and number of cylinders firing|
|Gain power, yet not fail vehicle inspections||Inspection Centre LTA Compliance||Surbo installation is reversible because there is no cutting, and it is hidden most of the time. It is also legal because it is fitted before the air intake manifold, and does not increase emissions|
|Choose a less powerful engine and pay less for insurance||Faster acceleration||The Surbo gives you back the power forgone due to a lesser engine||Surbo enables quick and safe overtaking, thus keeping you out of trouble, and that's another way your insurance premiums will be lower.|
|Drive up hills quickly||More power for inclines||A Hyundai Matrix with Surbo could ascend the Gentings Highlands 1772m peak using just D mode, but previously lower gears had to be selected||The Surbo improves low rpm power, and revving power all at once, to maintain speed upslope. The gearbox will kick down more easily, including to first gear at very low speed|
|Have more power from a low rpm||Dynamometer test results||It is possible to change gear upwards from a lower rpm with Surbo, due to increased air density||All gaps in the air intake are sealed so that air suction is directed entirely at the air filter, for a quicker response from standstill|
|Get more power at higher rpm||Dynamometer test results||Easy revving, with maximum power available at 1/2 throttle||There is a 1/2 throttle reserve of power by the rpm limit, so if the rev limit is set higher, there will be even more power|
|Take off instantly from rest, for your automatic vehicle||Automatic vehicles||With Surbo, there is no more clutch slip on automatic vehicles||Increased torque at very low rpm means that induced clutch slip to avoid stalling is not required as much as before, so the first gear engages fully for a quick takeoff|
|Control auto gear changes up and down using the accelerator only||Automatic gear kickdown||Instant gear changes with little footwork||The increased air density due to the Surbo keeps the engine ready for abrupt changes in rpm required during gearchanges, especially down shifts|
|Improve acceleration and top speed||Faster acceleration and higher top speed||You and passengers will be able to feel the added thrust when the Surbo kicks in by mid range||With a Surbo, the accelerator never needs to be floored, so the vacuum in the manifold that keeps taking air in for continued acceleration is maintained. Over-fueling is also avoided.|
|Eliminate diesel smoke||Diesel & turbodiesel vehicles||No visible smoke while revving at idle or on the move||The Surbo's power is maximised with part accelerator travel, so overfueling and black smoke are avoided|
|Reduce engine knock||How To Reduce Engine Knocking||Using the Surbo, the owner of a Chevrolet Captiva 2.4 immediately noticed that the knocking noise during acceleration was gone.||With the Surbo, the lesser accelerator pressure required results in less petrol input, so reducing the likelihood of detonation|
|Reduce CO2 output||Less CO2 emissions||More kilometres travelled per litre with Surbo||The amount of carbon per litre of fuel is a fixed number. Spread over more kilometres, the CO2 per km goes down|
Due to gaps along the air intake and connected tubes and chambers, from wear and tear, imperfect design, or third party servicing or modification, air suction is not entirely directed at the air filter. Air velocity through the air filter drops and the gaps mean some of that air will not enter the engine for combustion. In fact, some dirt enters instead. To create more air suction, the accelerator has to be pressed more, causing more fuel to be injected, resulting in over-fueling that can cause hesitation, carbon deposits, and even knocking. The rpm achieved may not be very high. Some fuel is wasted, often in the form of emissions. For diesels, black smoke might be seen.
A shortage of air causes automatic gearboxes to shift up too soon, because in a higher gear, the engine requires less air. This also makes downshifts more difficult, as the engine requires more air for higher rpm in a lower gear. So, often the accelerator has to be pressed deeply to allow more air into the engine to induce a gear shift down. The result is increased emission and fuel consumption, and foot fatigue for the driver.
In a petrol engine, when the accelerator is pressed more, the vacuum in the engine manifold drops. However, the vacuum is the only force that draws air into the engine. When the accelerator is pressed fully, the vacuum falls to zero, and air induction force is minimized. Also, with the accelerator on the floor, fuel injected is maximized, and over-fueling occurs. Acceleration quickly becomes zero for the gear, and a gearchange up is necessary for further acceleration. Acceleration begins to slow significantly from third gear, and in the top gear, the rpm limit cannot be reached. Therefore, the top speed of a typical 1.6 litre sedan is only about 190kph.
During installation of the Surbo, the gaps in the air intake and connections are covered. If a loose tube is connected to the engine vacuum, our tightening it means the vacuum is restored. Less accelerator pressure is required to pull the air through the air filter and into the engine, so initial acceleration is improved. The lesser fuel injected due to reduced accelerator pressure means over-fueling is prevented. More air goes into engine for proper combustion, increasing low rpm torque. So, acceleration becomes faster initially, and some of the time saved can be used to compress air through the Surbo, for even more power. How so?
By slightly easing pressure off the accelerator for up to 1 second, a backward air pressure is formed towards the outlet of the Surbo, causing it to twist air and jet it at its outlet to match the back pressure, and the twisting results in a vortex within the Surbo. Upon subsequent acceleration with a slightly larger throttle opening, due to the air pressure that is still ahead, the jetting and vortex continue, and air is gorged into the engine, so that the rpm limit is achieved with just 1/2 accelerator pressure!
Related page: How Surbo works
When the air is charging between the Surbo and the engine, the engine also puts out exhaust gases of increased pressure, thus helping the exhaust system to blast out the burnt gases from a lower rpm (which aids low end torque). For turbocharged engines, since the turbocharger is driven by the exhaust, the response time of the turbo is reduced so the full turbo effect comes earlier and with less effort from the engine. The result is a quick flick of the rpm meter from 3000 rpm to the red line. Read about reduced turbo lag.
For automatic vehicles, since the Surbo feeds the engine with more air, the engine is allowed to rev higher before changing to a higher gear, and this gives more speed and makes better use of the original max engine torque available at the upper mid rpm range. Similarly, due to more air on standby, downshifts are easier to induce with just a slight press on the accelerator. Once the Surbo is on, a second downshift can also be induced for even more acceleration.
Since the accelerator is never floored, manifold vacuum does not fall to zero, but continues to draw air into the engine forcefully together with the jets and vortex, so acceleration is extended till the rpm limit is reached. With this 3-force air induction system, the Surbo-assisted vehicle is stronger and it will reach the rpm limit even in the top gear, and top speeds of 220 kph for 1.6 litre sedans are routinely reported by customers. While not everyone will drive at such a high speed, a higher top speed means that cruising is easier and fuel savings apply.
At very high rpm, as the accelerator never has to be floored, the manifold absolute pressure is lower than without Surbo, so the cylinders have an easier time compressing the air, and can therefore accelerate faster. Fuel pressure (which is proportional to air pressure) will be less, resulting in lower fuel consumption and emissions. There will be less carbon deposit on the valves to cause knocking, and there is reduced combustion heat, so your engine is likely to last longer. For diesels, black smoke will be reduced, and noxious NOx will be less due to lower combustion temperatures. The sooner you adopt Surbo technology, the better for your vehicle!
Watch the video above showing how an engine revs with Surbo. Or watch it with the How it works page.
Above: video of Volvo XC90 T8 with Surbo, sprinting to 130 kph.
Above: video of Volvo XC90 T8 with Surbo, sprinting to 211 kph.
Above: video of Volvo XC90 T8 with Surbo, sprinting to 224 kph.
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