You want to drive a car powered by the most reliable automobile engine ever produced, you want to burn non-petroleum fuel, yet you don't want to drive a boring ol' Mercedes sedan like every other anti-dinosaur-juice diesel demon in town? Loyal reader Vance has pulled our coat about this '67 Cougar with a freshly rebuilt turbo-equipped Mercedes-Benz OM617 installed; this setup looks like it was done right, though the price seems on the painful side and the performance is likely more tortoise than hare (albeit a tortoise that could win a 500,000-mile race with ease). [Craigslist Los Angeles]