Watch: VW’s Water-Cooled Exhaust Explained

For a company that went all-in on air cooling early on, Volkswagen has taken to water cooling with gusto.

The company’s latest trick, available on the new Golf Alltrack, is integrating the exhaust manifold into the engine block. That allows the cooling system to work on the exhaust gasses before they go into the turbocharger.

Engineering Explained’s Jason Fenske, in the above video, goes through the advantages and disadvantages of this system and may not come as a surprise to you that the host of “Engineering Explained” is pretty excited about this new engineering development.

To be fair, though, it is pretty neat. With the exhaust manifold contained in the engine block, Fenske explains that the third gen 1.8-liter EA888 engine benefits from faster warm ups, which leads to less engine wear; a cooler catalytic converter, which leads to a leaner air/fuel ratio, which in turn leads to better fuel economy (up to 20% better on the highway according to VW), and more.

The new tech does mean that tunability is affected, though the aftermarket has always kind of been about finding workarounds, so that’s nothing new. The cooling load on the engine is greater and, of course, if there’s a problem with the manifold, it would likely be harder to fix.

Nothing’s perfect, but it is still fun to see how engineers are still coming up with creative ways to squeeze more and more out of every drop of fuel.

The post Watch: VW’s Water-Cooled Exhaust Explained appeared first on VWVortex.

from VWVortex http://ift.tt/2tRXKik
via IFTTT

Comments

Project SportWagen: Going Stage 2 with APR

When we last left you, the humble little SportWagen was fresh from the development process with our friends at AWE Tuning, sporting a new downpipe, exhaust and intake, allowing things to breathe a bit easier. The car sounded great, but there was no getting around the fact that our wagon was still quite, well, slow. While we realize that nothing we do to the Golf SportWagen at this point will make it a race car, we still felt compelled to do something . To put it bluntly, we had a fever, and the only cure was more power. Flash forward a few hours, and we found ourselves at Waterfest, staring down APR’s palatial spread and the numerous tuned vehicles surrounding it. Earlier in the year, APR had hinted to us that their 1.8 TSI files would be quite impressive, and based on what they were able to do with the 2.0 TSI found in the new GTI and our time in their Golf R, we knew it’d be worth the wait. So with this in mind, we lined our G...

Bugatti Chiron Won’t Get a Roadster Version

The all-new Bugatti Chiron hypercar will not get a convertible version like its Veyron predecessor did. Speaking to Autocar at the London grand opening of the sole Bugatti showroom in the U.K., marketing boss Stefan Brungs confirmed that the French automaker’s latest hypercar will only be sold in coupe format, with “no roadster or convertible” version in the plans. Brungs also said that the company is only planning on selling the allotted 500 Chirons as standard, so faster variants like a Super Sports version also aren’t likely. This is a very different strategy than the Veyron, which has targa top Grand Sport and Super Sports models, as well as a number of special edition models. The Chiron is set to try to break the world record for fastest car and attempt to beat the Veyron’s record of 268 mph. It is believed that the Chiron will be able to hit 288 mph. Powered by an 8.0-liter W16 engine with 1,500 horsepower and 1,106 pound-feet of torque, it shouldn’t ...

Volkswagen Group Records Best Ever First-Half-of-Year Sales

With 5.5 million vehicles in customer hands after the first six months of 2018, the Volkswagen Group is seeing the best performance of its history. Group deliveries increased significantly in all core regions,” said Fred Kappler, head of sales for the Group. “Our core brands recorded strong growth in the first half year.” For the year-to-date, all of Volkswagen’s brands had sales bumps. MAN, SEAT, and Skoda led the sales charge with performances 24%, 17% and 11% better than the previous year. The big sellers, too, had strong sales periods, with Volkswagen Commercial Vehicles, Audi, and Volkswagen sales rising 3.5%, 4.5% and 6.3% respectively. That last figure is particularly good new for the board, since Volkswagen alone sold more than 3 million vehicles in the first half of 2018. As Kappler stated, the numbers are equally good when you break sales down by region. Brazil and Russia were the most improved markets (22% and 20%, respectively), while strong sales in Europe and China (u...

Vorderman Volkswagen

Search This Blog