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How To Reduce Diesel Smoke

The below is a report from our Sri Lanka dealer Aswar, that Surbo helped his vehicle pass the smoke test.

Surbo fitted in the pipe after the air filter of the Peugeot Expert 2.0 turbodiesel

The easiest way to reduce diesel smoke is to press less on the accelerator. However, that usually means less power, but the Surbo that we install can provide more air even at half accelerator pressure. This effectively gives higher air compression, and yet moderates the diesel input, leading to reduced diesel emission.

Case study based on 2008 Peugeot Expert 2.0 turbodiesel

Surbo fitted in the pipe after the air filter of 2008 Peugeot Expert 2.0 turbodiesel, and testimonial from the owner.

Surbo fitted in the pipe after the air filter of the Peugeot Expert 2.0 turbodiesel Diesel smoke reduced from Peugeot Expert

Diesel smoke result from certain driving habits. Some drivers will start off in 2nd gear, because they feel that first gear is too short, and often change up to the next gear around 2000 rpm, which may be too soon because the next gear starts at a lower rpm, where the engine may not have developed its full torque. The result is that the accelerator is pressed too much, and with the low rpm, little air is induced, and it is not able to combine fully with the excessive diesel. Therefore, lots of smoke may be produced.

Our method of smoke reduction involves using the Surbo (air suction turbo), which with jets and a vortex, is able to draw in more air during acceleration, to match the increased diesel injected then, due to added foot pressure on the accelerator.

First gear is used, instead of second gear, for initial acceleration. The shorter gearing means it is easier for the engine to turn, and the Surbo's added air pressure means higher rpm is possible, so making this gear a useful gear for the open road. The disel engine can reach 5000 rpm with just half accelerator pressure, due to the Surbo pre-compressing the air. As there is higher rpm, there is more air to mop up the diesel, so reducing diesel smoke. The higher revs means that subsequent gears start from a higher, stronger rpm, so that less of the accelerator needs to be pressed, keeping the smoke at bay.

Some drivers think that revving high may be bad for the engine, but they do not realize that diesel engines are stronger than petrol engines, which operate at higher rpm all the time. In fact, diesel engines can go hundreds of thousands of miles without repair, so letting them rev higher to get more speed and reduce smoke is quite all right. Furthermore, fuel is saved due to the lessened accelerator pressure because of the Surbo.

So, if you have a diesel vehicle, and you need to get more power, save some diesel, reduce smoke, or all of the above, the Surbo is ideal for your vehicle. Contact us for a try.

Related pages:

  • List of diesel vehicles fitted with Surbo
  • How Surbo works for diesel vehicles
  • How to increase engine power for diesel vehicles
  • Surbo system's energy analysis for diesel engines
  • Surbo system's energy analysis for turbo diesel engines
  • Testimonials from diesel vehicle owners:

    VW Caddy Turbo Diesel

    Proton Wira 2.0 Diesel

    Videos:

    Watch this video showing how engine revs with Surbo

    Watch the video above showing how an engine revs with Surbo. Or watch it in conjunction 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.

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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.