U.s. Old Car Thermostat. C1805335. Item: 3832 on 2040-parts.com

Brabus upgrades Mercedes-Benz SL Roadster

German tuner Brabus has added the 2013 Mercedes-Benz SL Roadster to its stable of upgradable cars. The horsepower wizards from Bottrop, Germany, wrung 520 hp from the SL's 4.7-liter bi-turbo V8, which should be good enough for a top speed of 186 mph. The Brabus B20 PowerXtra module is responsible for the 85-hp increase and the 88 lb-ft of extra torque.

Concept Car of the Week: Chevrolet Astro (1967)

It gave its name to a boxy van in the 80s, but the Chevrolet Astro I was one of the most exciting dream cars developed within the GM styling studio. Presented in New York Auto Show in 1967, it was the first of three Astro concepts shown in annual succession and illustrates GM's desire to develop models that were both aerodynamic and attractive. What we might take for granted in aerodynamics nowadays was almost untouched territory in the mid ‘60s.

Ford posts record first-quarter profits

Ford Motor Co. said first-quarter net income increased 15 percent from a year earlier to $1.61 billion, as rising U.S. auto sales pushed North American profits to a record, offsetting deeper losses in Europe.