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Porsche Boxster Spyder to get GT3's 4.0-liter flat six?

It's been a merry-go-round the past few months, the rumormill focused on what will power the next Porsche Boxster Spyder. First came hearsay of a flat-six going into the special edition of a model line known for its turbocharged four-cylinder engines. Then came tattling that the flat-six in question was the naturally aspirated, 4.0-liter from the 911 GT3. A couple of weeks ago we wrote " we'd be surprised if Porsche packed anything other than a turbocharged flat-four under the skin." But Autocar has a new report that, indeed, a downtuned version of the 500-horsepower 4.0-liter from the GT3's rump will move to the Boxster Spyder's midsection. The Autocar piece follows a Wheels magazine article from last November, and the prediction isn't outrageous. When Car and Driver reviewed the last Boxster Spyder, it wrote, "the hand-me-down six comes from the older 911 Carrera S, not to be confused with the new turbocharged 3.0-liter flat-six that powers the refreshed 911." If we can believe a recent report from Automobile about the 992-series 911 due later this year, the same thing is happening: The 991.2-series GT3 bequeaths its powerplant to the smaller sibling, and the 992-series GT3 moves to a 3.8-liter, twin-turbo flat-six with around 550 hp. Autocar quotes Andreas Preuninger, the Porsche engineer leading the development of all of these wunderkinds, saying of the Boxster earlier this year, "Natural aspiration is one of our main USPs. ... [We] think we can achieve throttle response and immediacy a little bit better with an atmospheric high-revving engine than any kind of turbo." We'll guess that means, by inference, that the GT3 is about to age out of naturally-aspirated university. The limited-edition Boxster Spyder might carry the torch with the 4.0-liter, with output somewhere around 430 hp. The Cayman GT4 could do the same. Or, who knows, an evolution of the 375-hp, 3.8-liter flat-six in the previous Boxster Spyder might burble out of left field. We expect to see the Boxster Spyder late this year. Until then, we'll wait to see what the merry-go-round says next time the Zuffenhausen horse comes around. Related Video: Featured Gallery Porsche 718 Boxster Spyder spy shots View 13 Photos News Source: Autocar via JalopnikImage Credit: CarPix Rumormill Pontiac Convertible Luxury Special and Limited Editions Performance porsche 911 gt3

Classic Pontiac Trans Am Firebird Super Duty 455 sells for nearly $90,000

Historically, the Pontiac Firebird Trans Am raised the performance levels a notch or two over a plain Firebird in the muscle car hierarchy of the Sixties. But the Super Duty 455 version of the Trans Am — that number represents the cubic inches of the hand-assembled V8 engine — moved the performance needle big time in 1974. So much so that a clean example of the machine sold recently on the Hagerty Marketplace auction site for $89,296. Advertised with just under 54,000 miles on the clock and having undergone a thorough restoration, the Buccaneer Red model was one of just 943 Pontiac Firebirds equipped with the Super Duty 455 package for the 1974 model year. That build had also been offered in 1973. The Hagerty listing drew more than 21,000 views and 39 bids. According to Hagerty's valuation report, a similar car would be worth $85,700 in good condition, and $103,000 if it was in ‘“concours condition.” The Super Duty motor borrowed technology from the lineÂ’s 366-cubic-inch NASCAR engine, and featured heavy-duty connecting rods and an entirely new block with a revised crankshaft and heads to deliver a claimed 310 horsepower. The Firebird that sold was indeed loaded, with a three-speed Hydra-matic transmission (which surely reduced its overall value), power locks and windows, AC, dual exhausts, heavy duty stabilizer bars all around, and a “custom Interior trimmed in Red perforated Morrokide vinyl upholstery.” The entry of PontiacÂ’s pony car in the U.S., facing off against the Mustang and Camaro, dates back to 1967, when it was offered with an inline six and optional V8. The first Trans Ams were introduced two years later, the name derived from a handling package. General Motors ceased production of new Pontiacs in 2002 owing to declining sales and losing stakes in the sports coupe market. The big 455-cid V-8 had disappeared years earlier.

Junkyard Gem: 1996 Pontiac Grand Am SE Coupe

The Grand Am was the best-selling Pontiac model in the United States for every year of the 1990s, and it outsold most of its N-Body platform-mates (including the Chevrolet Corsica/Beretta) during nearly all of that decade. A sporty-looking compact with two or four doors, the Grand Am offered true 1990s radness—and, in some cases, respectable performance — at a good price. Today's Junkyard Gem is a nicely preserved example of the facelifted 1996 Grand Am, found in a Denver-area car graveyard. This is an SE Coupe with base engine and transmission, the most affordable Grand Am available in 1996. List price was $13,499, or about $26,523 in 2023 dollars. The factory-issued Monroney sheet for this car was still inside, so we can see that the original buyer got the car at Bob Ruwart Motors in Wheatland, Wyoming (about 175 miles up I-25 from this Pontiac's final parking spot), and paid a total of $16,054 ($31,543 in today's money) after the cost of options and the destination charge. The '96 Grand AM SE buyer had to pay extra for cruise control, air conditioning, power windows, rear glass defogger and other features we now take for granted on new cars. The base engine was the 2.4-liter Twin Cam four cylinder, a member of the screaming Oldsmobile Quad 4 family. This one was rated at 150 horsepower and 155 pound-feet. A 3.1-liter V6 with 155 horses and 185 pound-feet was an option. If you got the V6 in your '96 Grand Am, however, you couldn't get a manual transmission. This car has a proper five-speed manual, which made for fun driving with the high-revving Twin Cam engine in a machine weighing just 2,802 pounds (which is quite a bit less than what the current Honda Civic weighs). It traveled just over 160,000 miles during its 27 years on the road. The body and interior were still in fairly good condition when the car arrived here, so we can assume that some expensive mechanical problem doomed this car. Perhaps the original clutch wore out and the owner didn't consider it worth replacing. After all, a mid-1990s Detroit two-door with a transmission most people can't drive isn't worth much these days. Though nobody knew it when this car was new, the Grand Am would be gone in nine years and Pontiac itself would get the axe five years after that. It makes the ordinary extraordinary. Husbands and wives would argue for 12 hours over who got to drive the Grand Am, if we are to believe this ad. Proud sponsor of the 1996 Olympic team.