The Renault Kangoo 1.9 with Twin Surbos performed almost just as well. The owner commented that black smoke was no more visible in the mirror during driving, and confirmed it at idle by pressing the accelerator while I observed standing behind the vehicle. No trace of smoke at all.
Another Kangoo owner with a Twin Surbo made a u-turn in second gear and dropped to 20kph, and said the low rpm power had improved--previously he had to change to first gear for such a manoeuvre. He also managed to climb car park slopes in second--with no Surbo he had to change to first gear. Gearchanges upward were smoother and quicker as the greater air pressure in the engine due to the Surbo spinning the air ensured that the rpm stayed higher for longer when the accelerator was eased off during the gearchange.
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.
More torque and BHP (dyno test)
Quick revving (1/2 throttle to RPM limit)
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