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Autoweek in review: NASCAR fans hire lawyer, McLaren prices the P1

March is here, and things are warming up in the automotive world. On Monday Alfa Romeo teased the 4C interior ahead of the Geneva motor show, and we wound down after a sobering weekend of racing. We reviewed the 2014 Jeep Grand Cherokee on Tuesday and heard that the McLaren P1 supercar will sticker for $1.15 million when deliveries begin in early 2014.

Video: A look inside CATLY's studio walls and Toyota FT-1 concept development

Motor Trend has taken a look inside the studio walls of CALTY to produce a documentary of the design development of a star of last week's Detroit auto show, the Toyota FT-1 concept. Toyota's Californian design studio has been responsible for some of the company's best recent work including the Lexus LF-LC concept. In this episode of Downshift, Motor Trend spoke to some of those behind the FT-1's design – Kevin Hunter, CALTY Research president, studio chief designer Alex Shen and William Chergosky, interior chief designer.

Hennessey tunes C7 Corvette Stingray

Hennessey Performance and its gang of Texas tuners are planning upgrades for the 2014 Chevrolet Stingray Corvette before the car even hits the market. We're sure Corvette engineers working on the next ZR1 are taking notice, presumably with a chip on their collective shoulders. In October, the Hennessey HPE700 Corvette is expected to debut packing a claimed 700 hp, with help from an Eaton TVS R2300 supercharger.