1991 Porsche 911 Turbo on 2040-cars

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Watch the incredibly complicated operation of Porsche's new targa roof

Despite Porsche having claimed the name, targa tops are nothing new. In addition to the semi-roofless version of the 911, plenty of cars in the past have used removable roof panels - the new Corvette Stingray has one (as have prior generations), and this type of open-air experience has been available on past vehicles like the Pontiac Solstice Coupe and Honda Civic del Sol.
But when Porsche took the top off its brand new 911 Targa here at the Detroit Auto Show, it was indeed cause for pause. Simply put, this is one of the most complicated and intricate electronic roof panel removal techniques we've ever seen, save perhaps, for the setup found on the Japanese-market Civic del Sol from the 1990s.
We won't spoil the video for you, but basically, rather than just the roof panel coming off, the entire rear glass area lifts away the body in order for the small section over the passenger compartment to slide back. This has to be incredibly expensive to repair once it inevitably breaks. And we highly doubt you'll be able to operate this mechanism at any speed.

The 2014 Rolex 24 at Daytona: What we learned, what we saw

Two days after the flag dropped on the 2014 Rolex 24 at Daytona, people are still trying to figure out what it might portend for the rest of the season. In 24 hours, two minutes and 24 seconds, 695 laps were completed by the car that crossed the line first. During that time, 67 cars began the race, 18 of them retired. There was that accident, and a red flag. There were supposedly slower classes beating supposedly faster classes. There were 16 caution periods, including that yellow flag. And then there was The Decision. And Then The Uproar. And then The Reversal.
There was also some pretty good racing, so let's have one last look at the weekend. Oh, and there was that 1964 Ferrari 250 GTO Series II...
If you want to skip the reading bits and go to the photos, there's a high-res gallery of 158 images above and a couple more below. Enjoy.

Porsche 918 Spyder recalled over bad wiring harness

An investigation of customer concerns has led to a global recall of the Porsche 918 Spyder, including 223 units in North America. The carmaker said that a carbon fiber component can damage a radiator fan wiring harness, so it is contacting owners directly to have their cars brought in for a service inspection. The issue affects cars built through the end of April 2015; cars built after that use a revised design. Dealers will remount the wiring harness, a process that should take half a day. You'll find more information in the press release below. Related Video: Porsche recalling 918 Spyder models for service inspection Precautionary recall: affected customers will be contacted directly Atlanta. Porsche has issued a global recall for 918 Spyder models that have already been delivered. This precautionary recall for a service inspection affects 223 vehicles in the United States. This is because the electric wiring harness for a radiator fan in vehicles manufactured up until the end of April 2015 could be damaged by a carbon-fiber component. The wiring harness will be examined and optimally remounted in the work shop. The cause was identified following a detailed examination of inquiries. Corrective measures have subsequently been taken in manufacturing. The owners of the affected vehicles will be contacted directly by Porsche Cars North America. The service visit, which will be free of charge, will be arranged as quickly as possible and the inspection will likely require the vehicle to be left in the shop for half a day. Featured Gallery 2015 Porsche 918 Spyder: First Drive View 51 Photos Image Credit: Copyright 2015 Porsche / AOL Green Recalls Porsche Safety Convertible Hybrid Luxury Performance porsche 918 spyder