But Harvick figures his Stewart-Haas Racing organization has shown the ability to adapt - it switched from Chevrolet to Ford in 2017 - so a switch from a Fusion body style to a Mustang body style for 2019 doesn't cause him huge concern.
While Toyota will be racing the all-new Supra at NASCAR beginning starting in 2019, Ford will also be bringing a new challenger to the field - the 2019 Mustang. The Camaro is in its first season of competition.
The 10 millionth Mustang to roll out of Ford's Flat Rock assembly plant in MI was a six-speed manual 5.0-litre V8 GT convertible, finished in Wimbledon White; an ode to the first Mustang (VIN 001) that received the same white finish that left the production line 54 years ago.
Ford CEO Jim Hackett talked with Mustang fans who turned out the celebrate the 10 millionth Mustang.
Thai-Tang says "Mustang has raced since it was first sold in 1964".
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Bloomberg News , which first reported on that meeting, said the talks failed to progress due to disagreements over ownership. The agency declined to comment and Tesla did not immediately respond to requests for comment.
Ford Design and Ford Performance worked carefully to translate Mustang's signature style to meet NASCAR rules, ensuring Mustang will look as great on the oval as it does on the street.
The automaker didn't release technical specifications, but Ford Performance Motorsports' global director, Mark Rushbrook, said "Our Ford Performance team has worked hard with the Ford Design team to create a Mustang that will be competitive on the track while remaining true to its proud heritage".
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The vehicle was revealed to the media, NASCAR executives, Ford employees and the 13 current Ford NASCAR Cup drivers and their teams. He has fielded Fords for his entire career, which includes 3,565 races, 137 wins and two championships at the Cup level. The race cars are heavily regulated by NASCAR, when it comes to size, weight and engine size. He ordered his first Mustang in 1964 - within 30 days of the new sports car's debut on the market.
Drivers were consulted during the design process, but Harvick said it is limited as Ford tried to make sure the body design looks like the passenger auto in addition to meeting NASCAR's standards. Perhaps the change will reinvigorate fans, when the Ford Mustangs take to the track for the Monster Energy NASCAR Cup Series, starting in Daytona, in February.