With the Surbo, the light turbo effect air suction device, the Perodua Kelisa will derive the following benefits:
1. For the petrol manual version: quick revving to red line on the rpm meter with half throttle, faster 0-100 kph acceleration, higher top speed, and hence easier cruising. Therefore, fuel economy improves, especially on the highway. There will be a wider torque spread, with a higher torque peak at a lower rpm, and more bhp.
2. For the automatic version: instant acceleration from standstill as there is more engine torque so no slip is required, higher revving than the usual 3000 rpm with just half throttle, or the ability to change gear up at a lower rpm due to sufficient torque, quick gear kickdown by pressing the accelerator slightly, higher top speed and better fuel economy.
A boost meter can also be added to the Surbo or the Twin Surbo to maximize the driver's control over the Surbo system (which is the Surbo, plus engine and drivetrain). Instructions here. A further upgrade might be to remove the rev limit as it will be approached while the engine is still accelerating with half throttle. As the gearing is short for this car, removing the rev limit means that top speed can be increased significantly, so long as the car can handle it.
The fitting position for Surbo in the Kelisa is on the inlet to the air filter. Between the Surbo/s and the throttle, all joints and gaps must be tightened and sealed with silicone so that air pressure from the Surbo can be made. The oil cap must be shut and dipstick must be tightened with soft tape on the o-ring so that even the air in the oil chamber can be charged. As the Surbo is fitted before the air filter, the original filter element has to be used because sport filters do not have the same seal and may cause a leak. Don't forget to have the hole in the air filter box stuffed before sealing. If you have read this you can supervise the installation yourself. Click here for the list of dealers in Malaysia.
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