The Citroen Jumpy 1.9 diesel was fitted with the Twin Surbo, and performance in every gear was satisfactory. Even when carrying a half-ton courier load, power was adequate. It's great to have a faster vehicle to hurry urgent packs too. The main difference over the single Surbo installations was the instant response when moving off from idle. As far as possible, we think that diesels should go with the Twin Surbo for maximum power (as the Twin delivers 10% more torque between 2500-3000 rpm, and diesel vehicles operate largely in this rpm range).
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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