1988 Porsche 924s No Reserve!!! on 2040-cars

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Porsche LMP1 to use 4-cyl hybrid powertrain [w/poll]

With the Formula One season - and indeed his entire F1 career - now behind him, Mark Webber took advantage of his early release from Red Bull Racing to try out the new LMP1 which Porsche is developing, undertaking the final test session of 2013 before Porsche throws it head first into the FIA World Endurance Championship next April. The session - which followed previous tests at Magny-Cours, Monza, Paul Ricard and the Eurospeedway at Lausitz - was held at the Algarve circuit in Portimão, Portgual, in collaboration with Michelin, which is developing the tires for the car. But that's hardly the news here.
No, the news is the first confirmation we've seen on the type of powertrain Porsche has developed for its new Le Mans prototype: a gasoline-burning four-cylinder engine with direct injection and two energy recovery systems. This contrasts sharply with the V6 turbodiesel and single electric motor used by Audi in the R18 e-tron Quattro (or at least the outgoing version) or the naturally-aspirated V8 and single electric motor found in the Toyota TS030. Flexibility in the rules set down by the FIA and ACO give the manufacturers that kind of latitude, prompting F1 teams like Ferrari and Renault to consider developing their new engines for Le Mans prototypes as well.
At this point Porsche isn't saying how large its four-cylinder engine is or how much power it will produce. But it'll be interesting, to say the least, to see how it fares against the Audi and Toyota in next year's championship and at Le Mans when it'll be piloted by Webber, former Lola LMP1 driver Neel Jani and Audi's own 2011 Le Mans-winning pair of Romain Dumas and Timo Bernhard.

Modded budget Mazda Miata takes on new Porsche Boxster in more challenges

Earlier this month, our friends across the pond at Auto Express released the first in a two-video series that would see them try and build up a second-generation Mazda MX-5 Miata that could best a standard Porsche Boxster around the track. While that first video detailed the mods to the MX-5 - a supercharger, some suspension upgrades and a new set of super-sticky rubber being chief among them - and set baseline lap times for the stock car, today, we have the results of the 5,000-pound ($8,200) upgrade job.
Of course, we aren't going to spoil those for you. You'll need to watch the full video, which recaps the upgrades before digging into a comparison of both straight-line-speed differences between the 2.7-liter Porsche Boxster and blown Miata, as well as their behavior and lap times on the track.
Take a look and let us know what you think in Comments.

Topiary Joe sculpts the ultimate in green cars

Efficient cars are all the rage these days, but Joe Kyte has made a business of crafting some of the coolest green cars around – literally. Kyte is better known by his nickname Topiary Joe, and in addition to being a talented artist, he is also a real gearhead. Kyte has been creating topiaries for the last 20 years. It began when he was marketing greenhouse products to Walt Disney World and saw their plant sculptures. He realized that he could do that and since then, has done around 3,400 pieces. His most intriguing creations are the rolling sculptures that move and turn. Prices for those start at about $18,000 and can be as high as $30,000. While, the wheels are machine-bent, Kyte said all the other parts are done with a table vice and a Lincoln Electric arc welder. Topiary Joe is taking the Porsche (pictured above) to Palm Beach later this year to sell or says he may donate it to Porsche North America. If you really want it, the sculpture is currently on Craigslist for sale for $24,000. Topiary Joe has also had a life-long love of cars. "I was driving my first MG Midget before I was 14," he told Autoblog. He grew up in Oak Ridge, TN, where the Manhattan Project was partially developed. He says the town was full of recent college grads driving Mercedes, and he caught the bug. His automotive mentor was a nuclear physicist who taught him to repair and restore the Mercs. Kyte has completed commissions for Sandals Resort, Dreamworks, Absolut, and many more. Among his favorite creations is the Ferrari that he created at the Abu Dhabi Grand Prix that is now exhibited at the airport each year before the race. Check out his website for a wider look at his work.