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Honda, Chevy reveal low-drag speedway aero for Indy 500

As the two automakers currently participating in the IndyCar Series, both Chevy and Honda were invited this year not only to provide engines to the teams on the starting grid, but to develop their own aerodynamics packages as well. Both revealed their designs for the road-course races a few months ago, but with the Indy 500 approaching at break-neck speed, they've now unleashed their aero approaches for speedways. Both are based on the Dallara DW12 chassis introduced to the series a couple of years ago, but sacrifice some of their downforce at the altar of speed. And you can tell as much from looking at them: both Honda (above) and Chevy (below) have streamlined their designs, with single-plane front wings, lower-profile rear wings and fewer winglets on the body and around the wheels in between. The idea is to allow the cars to reach higher top speeds with less drag, while offering the necessary amount of downforce for the banked turns. With the four opening road-course rounds complete, teams using either automaker's equipment will keep the existing aero kits on their cars for the Grand Prix of Indianapolis on the infield course next week, then switch to the speedway package for the Indianapolis 500 later this month. Then it'll be back and forth for the rest of the season as the circus switches between road courses and speedways. Honda Unveils 2015 IndyCar Super Speedway Aero Kit Apr 30, 2015 - SPEEDWAY, Indiana - To be used at the Indianapolis 500 - Manufacturer seeking 11th Indianapolis 500 victory since 2004 - First public running to take place Sunday at Indianapolis Honda today debuted the "Super Speedway" aero kit of aerodynamic upgrades and components its teams will use at this year's 99th running of the Indianapolis 500. The Honda Super Speedway Aero Kit, produced by Honda Performance Development, Honda's racing arm in North America, includes a variety of individual aerodynamic components fitted to the existing Honda-powered Dallara Indy car chassis. All are intended to give Honda's six Indy car teams – encompassing a potential 17 '500' entrants - the ability to maximize performance at the 2.5-mile Indianapolis Motor Speedway oval and other large ovals ( over one mile in length) on the 2015 Verizon IndyCar Series schedule. "We're excited to unveil our Super Speedway aero kit, the newest element in this era of enhanced manufacturer competition in the Verizon IndyCar Series," said Art St. Cyr, president of HPD.

GM recalling 426,000 sedans over faulty transmission shift cable

General Motors is recalling some 426,240 sedans that may have a faulty transmission shift cable, according to a National Highway Traffic Safety Administration report this morning. The recall concerns a fault within four-speed automatic transmissions equipped on 2007-2010 Saturn Aura models, and 2008-2010 Chevrolet Malibu and Pontiac G6 models.
The report specifies that tabs on the transmission shift cable may fracture and separate. Such a fault could cause a discrepancy between the actual position of the transmission and the apparent position of the shift lever.
GM is currently working to notify owners of the vehicles in question, and dealers will check and replace shift cables free of charge. Scroll down to read the complete NHTSA report.

2019 Chevy Silverado 1500 vs. 2019 Ram 1500 vs. 2018 Ford F-150: How they compare

The full-size pickup truck market is seriously hot right now. Both Ram and Chevrolet have introduced completely redesigned trucks, the 2019 Ram 1500 and the 2019 Chevy Silverado, and as the companies slowly roll each one out, more and more information comes to light. We've put together this comparison post to help you keep track of all the features and specifications of each of these new models, along with the updated 2018 Ford F-150. Among the stats we'll take a look at are engines, power, fuel economy, trim levels, weight and more. Weight savings Both the 2019 Ram 1500 and 2019 Chevy Silverado 1500 have gone on a diet for the new model year, similar to the one the F-150 went on in 2015. The Silverado is the weight-loss leader, having shed 450 pounds when comparing quad-cab V8 models. The Ram 1500 lost 225 pounds compared to the current truck. Both trucks achieve their weight loss in part due to the use of aluminum parts. On the Silverado, the hood, doors, and tailgate are aluminum, while on the Ram, just the hood and tailgate are aluminum on the body. Compare that to the F-150, which uses aluminum for all exterior body panels for a total weight loss of up to 732 pounds, which makes the aluminum-intensive F-150 the weight-loss leader. View 160 Photos Engines and transmissions There's only a bit of overlap in powertrains on the Ram 1500 and Chevy Silverado. Each has a V8 for the top engine. The Ram's is a 5.7-liter Hemi V8 making 395 horsepower and 410 pound-feet of torque. The Silverado will once again use a 6.2-liter V8 as its range topper with the same 420 horsepower and 460 pound-feet of torque as the current model. Both of these V8s boast some extra fuel saving technology. The Chevy's 6.2-liter (and some 5.3-liters) comes with the company's latest cylinder deactivation system that can shut off any or nearly all of the eight cylinders. The Ram's V8 boasts an optional 48-volt mild-hybrid system that, in addition to likely helping fuel economy, can provide up to 130 pound-feet of torque right off the line. With the Ram, fuel economy sees an improvement of 2 mpg in the city and combined ratings for 17 and 19 respectively. Highway fuel economy improves by 1 mpg to 23 with two-wheel drive and 22 with four-wheel drive. The Silverado's 6.2-liter V8 only improves city fuel economy by 1 mpg to 16, and actually loses 1 mpg on the highway. The new 5.3-liter engine with the fancy cylinder deactivation does see an improvement over the simpler version.