This 2008 Chevrolet Corvette convertible was purchased new in California by the current owner before being converted in 2009 into an STS ZR7 by Squires Turbo Systems (STS) in Orem, Utah. The 6.2-liter LS3 V8 is modified with a rear-mounted STS twin turbo kit, a revised valvetrain and fuel system, a front-mount intercooler, an aluminum radiator,…