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Thread: 2006 VW Golf GT - 1.4 liters turbocharged and supercharged

  1. #1
    Lifetime User RedGoober4Life's Avatar
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    Default 2006 VW Golf GT - 1.4 liters turbocharged and supercharged







    The new Golf GT comes with a twin-turbocharged FSI engine - the "Twincharger".

    VW have taken an unusual approach to achieving lower fuel consumption values: Reduction in cubic capacity alongside the combination of an exhaust turbocharger with a compressor.

    The combination of exhaust turbocharging with an automatically switched, high-speed mechanical compressor develops the same torque as a high volume naturally aspirated engine at the same time as achieving lower consumption values.

    According to VW the high level of torque developed at low engine speeds means that drivers can delay shifting gear for longer.

    The compact power unit develops 170 hp and a maximum torque of 199 lb/ft in the range between 1750 and 4500 rpm.

    From 2006 the the Twincharger engine can be combined with the VW's DSG direct shift gearbox.

    With this engine, the Golf GT has a top speed of 137 mph and reaches the 62 mph mark in only 7.9 seconds.

    The car's average fuel consumption is 7.2 litres/100 km.

    VWSA recently told Wheels24 that there are no plans yet to introduce this model locally but as soon as better grade fuel becomes available here the company will definitely consider bringing it here.


    http://www.wheels24.co.za/Wheels24/N...761954,00.html
    http://www.germancarfans.com/news.cf...id/2050829.004


    and more engine info:

    Volkswagen will reach into the past for a combined supercharger-turbocharger system to boost power and fuel economy in its small gasoline engines.

    The system, dubbed SuperTurbo Compounding by supercharger supplier Eaton, eliminates turbo lag while boosting overall power and fuel economy by 15 to 20 percent. Eaton, the apparent supplier of the supercharger for the engine, says a car fitted with the system will likely be shown at the upcoming Frankfurt show.

    Engineers have combined superchargers and turbochargers in the past, most notably in World War II-era aircraft to avoid engine power losses at higher altitudes. Automotive applications have been limited, but include an Abarth-developed system used on the 1985 Lancia Delta S4 rally car.

    Todays computers make the complex induction system seamless in the new application, which uses a mechanical supercharger operating at low engine speeds to increase low-end torque, and a turbocharger engaging at middling revs to provide added muscle up high. Once the turbo reaches sufficient speed to provide boost, a clutch disengages the supercharger and an induction valve closes, bypassing the supercharger.

    VWs plans call for widespread use of the system, starting with a 1.4-liter direct-injection engine that is expected to debut in the 2006 Golf before heading into other VW models.

    Two different versions of the 1.4-liter engine are planned. In standard guise the four-valve-per-cylinder unit kicks out 140 hp and 184 lb-ft of torque, with a more performance-oriented variant producing 170 hp and 199 lb-ft. By comparison, VWs existing 2.0-liter four-cylinder delivers 150 hp and 148 lb-ft.

    Also under way at VW are more powerful 1.6-liter and 2.0-liter versions of the supercharged/turbocharged engine with a rumored 195 hp and 240 hp, respectively.

    Eaton officials said the system will initially appear on cars in Europe where it is expected to compete with turbodiesel engines. The system also could be fitted to diesels, but its future in the North American market could depend on fuel prices and demands for bigger engines.

    In the U.S., displacement is still king, said one Eaton exec.


    http://www.autoweek.com/news.cms?newsId=103048

  2. #2
    DAT MY WIFE Dex's Avatar
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    here's a schematic of the system from the vortex.


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    I will deport you Zer0DazE's Avatar
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    thats pretty cool.

    but i hate those small displacment engines

    makes me want to find one of the honda d14 cranks.

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    I <3 the Yankees, they are # 1 in my heart! walter's Avatar
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    Sr. User Deuce's Avatar
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    That's interesting

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    Mazel tov Cocktail
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    only prob i see here..........is more shit to break/service..........and its a vw so it is possible, although they do seem to try really hard to make the high volume vehicles reliable.........still not up to honda quality but stout. i look forward to seeing if it makes it to the US.

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    Lifetime User 93dx--hatch's Avatar
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    seems like a good idea. why not do it on a diesel?

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    Lifetime User RedGoober4Life's Avatar
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    Quote Originally Posted by 93dx--hatch
    seems like a good idea. why not do it on a diesel?
    Doesn't a diesel already make enough low-end power?

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    static compression ratio?

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    Lifetime User JaysGreenLX's Avatar
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