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NASCAR is Back in Automotive Modeling!
Hendrick Motorsports 2022 NEXT GEN Chevrolet Camaro Chase Elliott #9 with the primary NAPA livery includes WATER SLIDE DECALS. Limited edition of only 5000 units.
The Next Gen car, originally known as the Gen-7 car, is the common name for the racecar that is in use in the NASCAR Cup Series since 2022.[1][2] A further evolution of the Generation 6 car, the Next Gen features improved aero and downforce packages while introducing new technologies on the track. In addition, the Next Gen is designed to lower costs and attract new original equipment manufacturers (OEMs) to compete with Chevrolet, Ford, and Toyota.[3][4][5][6]
The Next Gen body style was set to debut at the 2021 Daytona 500,[7][6] but when the COVID-19 pandemic postponed all NASCAR racing (and therefore, testing) until the month of May, the sanctioning body announced that the debut of the car would be pushed back a year to 2022.
Design
William Byron's 2022 Chevrolet Camaro ZL1 1LE at Auto Club Speedway
Kurt Busch's 2022 Toyota Camry TRD at Auto Club Speedway
Aero and downforce packages
The Next Gen uses a stepped front splitter, aerodynamic vents on the hood, and a redesigned side skirt, all of which are designed to reduce the amount of side force in the cars. A notable addition to the Next Gen is the rear diffuser, which is set to be used in NASCAR for the first time. NASCAR has conducted various tests on the wind tunnel to have the car to generate more downforce using the rear diffuser. Adjustable aerodynamic components are also being used to accommodate the various track types in the schedule.[71][72]
Technological improvements
Spec chassis
Despite initial reports that the Next Gen will use a carbon fiber tub, NASCAR engineer Brandon Thomas clarified that the car will still use a steel space frame, but with a modular setup to allow faster setups.[73] Dallara was initially rumored to be the exclusive supplier of the new chassis, but it was revealed that Technique recently opened a shop in Concord, North Carolina, indicating that they will manufacture the chassis for NASCAR teams.[4][5]
Sequential transmission
The Next Gen has the traditional four-speed manual transmission replaced with a five-speed Xtrac Limited sequential manual transmission, similar to the type of transmission used in contemporary race cars (e.g., touring cars).[74][75][4]
Independent rear suspension
Much like the race cars used in IMSA, the Next Gen uses an independent rear suspension with 5-way adjustable Öhlins TTR dampers, instead of the solid rear axle used by previous generations.[4]
New wheel design
The single lug nut wheel used on Next Gen cars
On March 2, 2020, NASCAR announced that the traditional 15-inch steel wheel with the five-lug pattern will be replaced by a new 18-inch aluminum wheel that uses a single center-locking lug nut. The wheels are manufactured by BBS.[76][7][4][5][75] Prototypes tested before the announcement featured aluminum wheels, but with a five-lug pattern. Despite the reduction from five lug nuts to one, the extra torque required to secure the single lug nut has indicated that only a minimal effect is expected on pit stop timings.[77]
Since its recent inception, the Next Gen has had several wheel related problems, such as loose lugnuts causing wheels to fall off. The wheel design also quickly began facing criticism for how thin the tires are, which has led to drivers getting stuck after blowing tires during a spin.[78] Prior to the 2022 Daytona 500, NASCAR confiscated the wheels of Team Penske and RFK Racing. Roger Penske notified NASCAR that his team found inconsistencies on the wheels and modified the drive pin holes.[79] After the race, NASCAR announced that the two teams would not be penalized after the organization discussed with Next Gen suppliers and several teams about the wheel specifications.[80]
Mirrors
Aside from the standard rear and side mirrors, the Next Gen is now also equipped with a rear-facing camera, located just above the driver's rear window.
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