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Fernando Alonso just misses qualifying for Indy 500 on first day

Former Formula One world champion Fernando Alonso will need a clutch run on Sunday to qualify for the Indianapolis 500 on May 26 after he failed to seal a guaranteed spot on Saturday. The Spaniard tried fives times to put his McLaren Racing Chevrolet in the top 30, but wound up one spot short. He can make the 33-car field only through a six-car shootout on Sunday that will determine the race's final three drivers. "We have another chance to be in the race," Alonso, who is seeking to make his second Indy 500 field, told IndyCar TV. The Spaniard twice got inside the top 30 but both times was bumped outside the mark, with JR Hildebrand and Graham Rahal the final two drivers to seal qualifying spots. Britain's Pippa Mann will be the only woman in the race, qualifying 30th in 227.244 mph. Race positions 10-30 were determined during the day-long qualifying with Saturday's nine fastest drivers set to return on Sunday to decide pole. Spencer Pigot, driving the Ed Carpenter Racing Chevrolet, led qualifying with a four-lap average of 230.083 mph. He was followed by 2018 winner Will Power of Australia (230.081) and Simon Pagenaud of France (229.854). The troubles for Alonso, whose top four-lap average was 227.224 mph, were exacerbated by a punctured tire in his first qualifying run. "That didn't help," Alonso told reporters. "But, obviously, our performance has been quite bad all week. Quite poor." The Spaniard crashed his Chevrolet in practice on Wednesday and missed nearly two full days of practice while a backup car was prepared. He returned on Friday. Alonso said he was worried the McLaren team was "not ready for the challenge." "We've been slow. You see Juncos Racing crashing yesterday and being ready at 6 o'clock. That's impressive," he said. "For us, we've been a little bit slow on everything." Alonso is bidding to join Graham Hill as the only drivers to achieve the 'Triple Crown of Motorsport' with an Indy 500 victory. He previously won the Monaco Grand Prix and Le Mans 24 Hours race. He also won two Formula One drivers' titles. (Reporting by Gene Cherry in Raleigh, North Carolina; Editing by Greg Stutchbury)Related Video: Motorsports Chevrolet McLaren IndyCar

Watch how Corvette Racing's new collision-avoidance radar system works

When it comes to technology used in racecars, we generally expect it to trickle down to production cars, not the other way around. Well, Pratt & Miller has developed a new rear-facing radar that operates in a similar fashion to what we're used to in modern blind spot detection systems, only it is also capable of tracking cars as they approach and relaying vital information to the driver via a large display screen.
The innovative radar system debuted at last weekend's 12 Hours of Sebring for Corvette Racing, and this system makes perfect sense for endurance races like this since the cars sometimes have to drive through the night and in poor weather conditions.
The radar can detect cars even with poor visibility, and uses easy-to-distinguish symbols for the driver to identify.

Updated Chevy Silverado spied, possibly with aluminum components

Chevrolet is readying a refresh for its trusty Silverado pickup, and these spy shots give us our first glimpse at what might be in store. The front and rear fascias of this prototype are covered, obscuring some styling tweaks (with LED accents up front). More interestingly, our spies suggest that many of the Silverado's body components could move to aluminum with this mid-cycle update. The hood will go from steel to the lighter alloy, and it's possible the front fenders could benefit from the weight-saving material, too. Ford's latest F-150 is extremely aluminum-intensive, and by switching the construction, 700 pounds was trimmed off the truck's weight. We've already heard that General Motors is working with a similar plan for its next-generation fullsize trucks. Beyond that, expect the smaller 5.3-liter V8 to ditch its six-speed automatic transmission in favor of the eight-speed unit that's already mated to the larger, 6.2-liter V8. Neither transmission will stick around very long, as the trucks will likely adopt a 10-speed automatic around 2017. Look for the updated Silverado to debut later this year, likely as a 2016.5 model.