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NHTSA closes probe into 2011 Porsche 911 coolant leaks

The National Highway Traffic Safety Administration has announced that it will end its investigation into rapid coolant loss in 24,635 Porsche 911s built between 2001 and 2011. The models affected included the standard 911, GT2, GT3 and Turbo, as well as their variants (GT2 RS, GT3 RS and Turbo S).
NHTSA was investigating for "rapid coolant loss caused by coolant pipe-fitting failure, allegedly resulting in vehicle disablement and/or loss of vehicle control due to reduced traction for the affected vehicle or following traffic," according to the regulators website. "Most of the leak complaints did not appear to involve complete separation of the fittings and many were detected when the vehicle was parked," said NHTSA's statement.
There were 63 complaints and 336 warranty claims, although the investigation was initiated after ten complaints from customers. There have been no reports of crashes or injuries attributed to rapid coolant loss.

Fastest cars in the world by top speed, 0-60 and quarter mile

A claim for the title of “Fastest Car in the World” might seem easy to settle. ItÂ’s actually anything but: Are we talking production cars, race cars or customized monsters? And what does “fastest” even mean? For years, car publications have tended to define “fastest” in terms of an unbeatable top speed. ThatÂ’s distinct from the “quickest” car in a Usain Bolt-style dash from the starting blocks, as with the familiar 0-60 mph metric. Professionals often focus on track lap times or elapsed time-to-distance, as with a drag racer thatÂ’s first to trip the beam of light at the end of a quarter-mile; or the 1,000-foot trip of nitromethane-powered NHRA Top Fuel and Funny Car dragsters. Something tells us, however, that you're not seeking out an answer of "Brittany Force rewriting the NHRA record books with a 3.659-second pass at a boggling 338.17 mph." For most barroom speed arguments, the focus is firmly on cars you can buy in showrooms, even if many are beyond the financial means of all but the wealthiest buyers and collectors. Here are some of the enduring sources of speed claims, counter-claims, tall tales and taunting dismissals that are the lifeblood of car enthusiasts – now with EVs adding an unexpected twist to these passionate pursuits.   Fastest from the blocks: 0-60 mph Thirty years ago, any car that could clock 60 mph in five seconds or less was considered extremely quick. Today, high-performance, gasoline-powered sedans and SUVs are routinely breaking below 4 seconds. As of today, the 2023 Dodge Challenger SRT Demon 170 crushes all with a 0-60 mph time of just 1.66 seconds. That's simply absurd, but keep in mind the Demon was engineered with the single-minded purpose of going fast in a straight line. It's also important to realize that direct comparisons are difficult, because not all of these times were accomplished with similar conditions (prepped surfaces, adjustments for elevation and so on). The moral here is to take these times with a tiny grain of salt. After the Dodge, the Rimac Nevera comes in with an officially recorded 0-60 mph time of just 1.74 seconds. EVs crowd the quickest list, with the Pininfarina Battista coming in a few hundredths slower (1.79 seconds) than the Nevera and the Lucid Air sapphire (1.89 seconds) right after that. Eventually, you arrive to the Tesla Model S Plaid, which has a claimed 1.99-second 0-60 mph time, though instrumented testing by Car and Driver shows it accomplishes the deed in 2.1 seconds.

Porsche 911 GT3 RS spec sheet leaked, promises 500 hp

Axis of Oversteer has three pages of what's purported to be the spec sheet for the Porsche 911 GT3 RS, and it's got a few bolded items noting key differences with the already spectacular 911 GT3. Prime among them is its output, pegged at exactly 500 horsepower and 339 pound-feet of torque, which looks at first blush to be a minor bump: just 25 hp and 14 lb-ft over the GT3, and the redline drops 200 rpm to 8,800 rpm. If the document is accurate, though, there will be a hefty dose of weight loss to make the most of it. The bodyshell and doors are aluminum, carbon fiber reinforced plastic is used for those vented front fenders (the vanes are plastic), the front trunklid, the rear engine cover, and the rear wing, while the roof is made of magnesium and the side windows are polycarbonate. The bucket seats, door entry guards, and other interior trim pieces are also fashioned from CFRP, and it gets lightweight door panels with pull-loops. Elsewhere around the coupe, the body grows wider by 50 millimeters in front and 30 mm in back over a track that's 36 mm wider. There's a pit-lane speed limiter for track days, tinted taillights, an optional Clubsport package with a six-point seatbelt, and GT3 RS logos everywhere. It's looking more and more like this car was developed to define the word "epic." Featured Gallery Porsche 911 GT3 RS spec sheet Related Gallery 2016 Porsche 911 GT3 RS News Source: Axis of Oversteer Geneva Motor Show Porsche Coupe Performance 2015 Geneva Motor Show porsche 911 gt3