Acura ARX-05 formally revealed at The Quail (PHOTOS)

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After a teaser video was released a couple weeks ago, the formal, full unveil of Acura’s new ARX-05 prototype for the IMSA WeatherTech SportsCar Championship, to be fielded by Team Penske, took place today at The Quail, A Motorsports Gathering, in Monterey.

A photo from a private, VIP event emerged on social media on Thursday night ahead of the proper unveil, but now the car is officially out in the open for all to see.

A striking nose assembly section to the ARX-05, on top of the base Oreca 07 chassis, is perhaps the most notable visual identifier on the car.

The full release and a handful of photos are below.

Acura today unveiled the new Acura ARX-05 prototype race car at The Quail, A Motorsports Gathering. Acura Motorsports will join forces with the legendary Team Penske organization to field a pair of the new Daytona Prototype International (DPi) entries in the 2018 IMSA WeatherTech SportsCar Championship.  

The Acura ARX-05 (Acura Racing eXperimental, generation 5) is the latest in a line of endurance prototypes to be fielded by the brand dating to 1991, just five years after the 1986 launch of the Acura marque. Based on the very successful ORECA 07 chassis, the new ARX-05 prototype showcases Acura-specific bodywork and design features, including Acura’s signature Jewel Eye™ headlights, and utilizes the race-proven AR35TT twin-turbocharged engine, based on the production 3.5-liter V-6 that powers the Acura MDX, RDX, TLX and RLX models.

Acura ARX-05 Daytona Prototype international (DPi) race car to be campaigned by Team Penske in 2018

“At Acura, Precision Crafted Performance is at the heart of everything we do.” said Jon Ikeda, Acura vice-president and general manager. “Whether it is our production cars or a prototype race car, if you want to be a performance brand you need to perform.”

The multi-year DPi program will be administered by Honda Performance Development (HPD), the racing arm for both Acura Motorsports and Honda Racing in North America. The competition debut of the Team Penske Acura prototypes will take place at the season-opening Rolex 24 in January, 2018. One of the team’s two ARX-05 entries will be piloted by the legendary Juan Pablo Montoya along with sports car champion Dane Cameron. The second driver pairing will be announced at a later date.

“Right from the start, Acura has raced – and done so successfully,” said Art St. Cyr, President of HPD and Acura Motorsports. “We’ve won with the Acura Integra Type R, the RSX, the first-generation NSX and with the Le Mans prototypes. Most recently, we’ve won with the new Acura NSX GT3. The ARX-05 is our fifth-generation prototype, and we expect great things from our partnership with Team Penske.”

Acura ARX-05 Daytona Prototype international (DPi) race car to be campaigned by Team Penske in 2018

DPi rules require manufacturers to use one of four approved prototype chassis, fitted with IMSA-homologated, manufacturer-designed and branded bodywork and engines. In the case of the ARX-05, the bodywork was developed by a team led by Acura Global Creative Director Dave Marek.

“We created a variety of initial sketches, then pared those down a handful of potential designs. Next came aero and wind tunnel model testing, and time for the engineers to have their say,” Marek recounted. “The design continued to be refined throughout the testing and evaluation process, until we came up with a final treatment that met our performance goals while maintaining Acura styling cues. It’s been an exciting process.”

Acura ARX-05 Daytona Prototype international (DPi) race car to be campaigned by Team Penske in 2018

The Acura ARX-05 will add to a rich legacy of Acura sports car racing successes, including the 1991-93 IMSA Camel Lights manufacturer and driver championships; 50 IMSA and American Le Mans Series class or overall race victories (through Watkins Glen 2017); and the 2009 American Le Mans Series manufacturer, driver and team championships, in both the LMP1 and LMP2 classes.

Based on the “J35” family of engines found in Acura MDX, RDX, TLX and RLX production vehicles, the Acura AR35TT engine has powered class winners at the 12 Hours of Sebring (2011-13); the 24 Hours of Le Mans and LMP2 World Endurance Championship (2012).  The engine also powered entries to American Le Mans Series LMP2 titles in 2012-13; and the overall winners at the Rolex 24, 12 Hours of Sebring and Petit Le Mans in 2016.

Acura Motorsports currently campaigns the Acura NSX GT3 in the IMSA GTD category with Michael Shank Racing – where it has already won at Detroit and Watkins Glen this season – as well as with Real Time Racing in the Pirelli World Challenge GT division.

Following today’s official unveiling, the Acura ARX-05 will also be on display at the Rolex Monterey Motorsports Reunion (August 19) and on the Concept Lawn at the Pebble Beach Concours d’Elegance (August 20).

Supercross: Husqvarna’s Jalek Swoll and Malcolm Stewart out with injury

Swoll Stewart injury
Feld Motor Sports/MX Sports Pro Racing/Align Media
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Jalek Swoll and Rockstar Energy Husqvarna teammate Malcolm Stewart sustained injury in separate crashes late last week. Stewart missed Anaheim 2 and Swoll will not mount up for the 250 East season opener in Houston on February 4.

“Spent all of yesterday in the ER and today getting surgery so haven’t been able to make an update post,” Swoll posted on Instagram. “Spiral fractured my humorous yesterday and was lucky enough to get into surgery today. Absolutely heartbroken that I couldn’t show all the hard work me, [Mike Brown], [Aldon Baker], and [Joel Perez] were working on truly felt like this year was going to a big one with massive improvements we made but I guess it just wasn’t my time.”

The team announced on Instagram that Swoll underwent successful surgery to repair a broken bone in his arm, sustained in a practice crash on Friday. After missing the division opener, no further timeline has been given for his return.

Swoll made eight starts in the 250 West division last season with a best finish of fifth. In 2021, he scored his first SuperMotocross win in the outdoor Pro Motocross season at High Point Raceway in Mount Morris, Pennsylvania.

Stewart missed Anaheim 2 due to a practice injury. Likewise, the team did not announce a timetable for Stewart’s return.

He showed a lot of speed in the first two rounds before accidents eliminated him from contention in both rounds. He finished 16th at Anaheim 1 and 15th in San Diego, putting him in a points’ deficit that was already going to be difficult to overcome.

Stewart entered the 2023 season with a ton of confidence and believed all he needed was to stack his chips the right way to get this year’s championship.

Husqvarna is now represented by RJ Hampshire in the 250 West division and Christian Craig in 450s.

Hampshire had a rough weekend in Anaheim 2 and finished 11th in the overall standings after scoring a last place result in Race 2 with a bike sidelined by crash damage and a 13th in Race 3 after another fall.

Craig has not yet scored a top-10 on his 450 with a best of 11th at San Diego and Anaheim 2.

The news of these two injuries comes on the heels of the Pro Circuit Kawasaki team losing three of their four 250 riders.

Last week, Pro Circuit Kawasaki announced Seth Hammaker would miss the season opener with a wrist injury. Almost immediately, it was announced Jo Shimoda would also miss the 250 East opener with a shoulder injury.

Chris Blose will serve as a replacement rider in the 250 East division with Carson Mumford scheduled to replace the injured Austin Forkner in the West.