On today's Jalopnik Precast, Spinelli and Farago discuss one California tuning firm's attempt at the land speed record. Well, not quite, but their 810-hp BMW M5 with the crocodile interior might break something else. Then they look at some potential churn-and-burn buyers for Chrysler and TechArt's 630-hp Porsche 911 Turbo. It's like an inside-out tuner sandwich!