1999 Porsche Cabriolet Gt3 Kit 911 Over 10k In Recent Upgrades Full-service Done on 2040-cars

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Porsche 911 GT3 RS getting all-new atmospheric engine

Porsche surprised many of its most puritanical enthusiasts when it took a decidedly more usable approach with the current 911 GT3. But when the new GT3 RS debuts, it promises to be a much more extreme departure. And a big part of that comes down to the engine. At the Detroit Auto Show this week, Auto Express spoke with Porsche R&D chief Wolfgang Hatz – who also happens to be head of engine and transmission development for the entire Volkswagen group. Hatz revealed that Porsche has developed a completely new engine for the GT3 RS, and while previous rumors suggested the RS would go turbo to fill in for the lack of a GT2 (and make the most out of its displacement), Hatz confirmed that it will be naturally aspirated. Considering that Porsche rarely goes downwards when it comes to 911 engine displacement, only upwards, we'd expect the new RS to pick up where the previous 4.0 left off. The new GT3 RS is also expected to pack a more extreme suspension, aero and stripped-out interior, but those hoping for an old-school approach may be disappointed to learn that the new RS will (at least at launch) only be available with the seven-speed dual-clutch transmission – though a manual version could follow if there's enough demand. In a related development, Hatz also hinted that the Cayman GT4 could debut at the Geneva Motor Show in March, with an even more extreme approach than the previous Cayman R. The new top-of-the-line Cayman is reportedly being developed to comply with GT4 class racing regulations but be fully homologated for road use. Related Video:

Jack Olsen built a Porsche 911 to drive every day and conquer Willow Springs

Almost two years ago we wrote about the 12-Gauge Garage Jack Olsen built to house his multifarious Porsche 911 - its 1972 bodywork hides four decades of Porsche parts, like the transaxle from a 1977 911 and the engine from 1995 911, for example. It weighs 2,400 pounds and has 272 horsepower, and Olsen uses it daily driving and for track days, the latter excursions featuring homemade, bolt-on aero parts. German magazine Auto Bild stopped by Olsen's house to look in on the Porsche called "Black Beauty II," and we get a few more details about the mods he's made, like swapping out for fiberglass body panels and welding Fuchs wheel centers to wider Corvette barrels so he could run different tires. Most importantly, though, Olsen divulges his passion for lowering his lap time at Willow Springs. Randy Pobst set the lap record for a production car around the 2.5-mile Big Willow track in a Porsche 918 Spyder at 1:23.54 during a Motor Trend test (the outright record, according to Willow Springs, is held by Michael Andretti at 1:06.050 in a CART car). Further down the list, Steve Millen drove a 415-hp 911 GT3 RS around the same track in 1:33.14 - a car 600 pounds heavier than Olsen's. Over the past 14 years of tinkering with his car, Olsen says his data shows his lap time is now down to 1:26.88, achieved on the day of filming the Auto Bild video. That time would put him in between the 1:26 flat posted by Dominik Farnbacher in a 608-hp Dodge Viper SRT-10 ACR and the 1:28.93 put up by Pobst in a 400-hp, 991-series 911. You can hear Olsen tell it in his own words in the video.

Performance cars old and new are headed to auction at Las Vegas Grand Prix

Auction house RM Sotheby's is hosting a sale ahead of the 2023 Las Vegas Formula One Grand Prix, and most of the lots that will cross the block were designed with performance in mind. Whether you want a supercar or a Formula One car, there's a chance you'll find it in Sin City. One of the highlights from the sale in terms of rarity and price is the Mercedes-AMG Petronas W04 that Lewis Hamilton drove in the 2013 F1 season. Assigned chassis number F1W04-04, it's the team's last car powered by a naturally-aspirated V8 engine, and you're on the wrong track if you're thinking of the 4.0-liter unit that powers AMG's road cars. The engine in question is a 2.4-liter unit that develops 750 horsepower and is capable of revving to a screaming 18,000 rpm. The KERS system injects 80 additional horses into the driveline. Hamilton drove F1W04-04 in 14 of the 2013 season's 19 races, and he won that year's Hungarian Grand Prix in the car. RM Sotheby's notes that F1W04-04 is "the sole example to be sold outside of the Mercedes-Benz organization," which explains why it expects the car will sell for anywhere between $10 million and $15 million excluding the buyer's fee and a 2.5% import duty that applies to American residents. That's a lot of money, but modern Formula One cars rarely come up for sale. Several other cars are expected to sell above the $1 million mark, including a 1999 Mercedes-Benz CLK GTR ($8 million to $9 million), a 1988 Porsche 959 Komfort ($1,650,000 to $1,850,000), and a 1996 Bugatti EB110 Super Sport ($2,500,000 to $3,250,000). The 1990 Ferrari F40 GT (one of 21 units built) could bring up to $4 million. You can take home a rare, high-end classic even if you cap your budget at $1 million. How about a 1984 Lamborghini Countach 5000 S that was delivered new to Ralph Lauren and that has been in the hands of its second owner since 1986? RM expects the coupe will sell for up to $900,000. The auction house is also giving enthusiasts two distinctly different ways to spend a six-digit sum on a 30-something-year-old Mercedes-Benz. There's a 1990 190E 2.5-16 Evolution with about 3,400 original miles that could fetch up to $700,000. That's a lot to pay for a W201, but this isn't a run-of-the-mill Baby Benz: It's one of 502 examples built for homologation purposes. Alternatively, the 1989 560SEC AMG 6.0 Wide-Body could sell for up to $900,000. It's one of the most emblematic cars designed by AMG before it joined Mercedes-Benz.