A Tesla auto parts shop owner in Sacramento spent about $40,000 and two years converting a 1966 Ford Mustang into a fully functional Tesla — complete with the Model 3’s dual-motor drivetrain, 15-inch touchscreen, and working “Full Self-Driving” (Supervised). It’s likely the first non-Tesla vehicle to run FSD, and it achieves 258 Wh/mi — roughly matching the efficiency of an actual Model 3. From Facebook Marketplace find to Tesla-powered classic Yaro Shcherbanyuk, the owner of Calimotive Auto Recycling in Rancho Cordova, California, found the 1966 Mustang on Facebook Marketplace in the summer of 2022. Calimotive specializes in Tesla and Rivian parts, so Shcherbanyuk had access to the components — and the knowledge — needed for an ambitious build. He worked on the project for roughly two years alongside his father Viktor and brother Daniel.…