Toyota Yaris Mk1 Interswiss Cars racing on Hillclimb: Tuned Toyota 1.3L 2NZ-FE Sound feat. ITBs!

Here's a video that I wanted to put together about three Toyota Yaris/Vitz first-gen (XP10) I saw last June during the Hemberg hillclimb in Switzerland. The car races in the Interswiss Trophy, in the 'up to 1400 cc' class and, even though they are similar, they should have different level of engine tuning. But I didn't manage to find many info. Quite for sure all of them are powered by the 1.3-liter Toyota 2NZ-FE VVT-i 4-cylinder and not by the 1.5-liter 1NZ-FE you can find in the European Yaris T-Sport.

It cannot even be ruled out that these three cars were originally Yaris Cup cars, Toyota's one make series that used the Yaris/Vitz XP10 from 2001 to 2006, as they were fitted with the 1300cc engine. In this form the little 4-cylinder engine produces 115 hp instead of the normal 87 thanks to more aggressive cams, stronger valves and valve springs and a special ECU. The two more extreme Yaris you see in this video have more horses, they rev higher and are fitted with ITBs (Individual Throttle Bodies).

Drivers of these three XP10s are Sabrina Fankhauser (number 402), Mark Husistein (number 404) and Stephan Moser (number 405).

The Hemberg hillclimb has been taking place for 11 years now near the homonymous village. This Bergrennen (which means 'hillclimb race' in German, from 'Berg' = 'Mountain' and 'rennen' = 'race') was the first round of the 2024 Swiss Hillclimb Championship (Schweizer Bergmeisterschaft) and had almost 200 registered drivers and cars.

The course is 1,758 meters long, starting from an altitude of 755 meters and ending at 912 meters above sea level, with an average slope of 8.94%. The first half is quite slow with short straights and several tight corners but after a wide U-turn the course becomes faster and more technical with a series of curves that can be driven at higher speeds.

#ToyotaYaris #ToyotaYarisXP10 #Interswiss
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I have to thank my friend and youtuber ‪@NM2255‬ for the great collaboration done during the event!

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Camcorder: Canon Legria GX10 + Zoom H5, Sony FDR AX700 + Audio-Technica Microphone
Event: Bergrennen Hemberg 2024
Where: Hemberg, Switzerland

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