Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Spied: Cadillac ATS-V and a production 2013 Cadillac ATS on the road

Autoweek reader Christina McNeal shot these photos of a 2013 Cadillac ATS out cruising the highways of Michigan. General Motors' BMW 3-series fighter was finished in a metallic dark blue and wore manufacturer plates. According to its badging, it was powered by Cadillac's 3.6-liter six.

Tom Medley 1920-2014

Tom Medley, best known as the creator of the hapless and humorous hot hero Stroker McGurk, passed away March 2 of natural causes in Los Angeles at the age of 93. While Medley was best known for his McGurk character, he was part of the media empire that was Hot Rod magazine from just after its inception until his retirement 37 years later. Medley was a photographer as well as a cartoonist, covering the first Bonneville speed week and the Indy 500 from 1950 to 1964.

Audi lights up for the shortest day

AUDI UK has created a stunning series of low-light photos to celebrate its success this year, just in time for the shortest day of the year. The seven photos use a technique called ‘light painting’, where a stationary object in the dark is lit up by a small hand-held light to selectively brighten areas over a long exposure period to eventually create an unusual-looking end result. To the trained eye it looks like Audi has supplemented the photographer’s torch with static lighting to increase the beauty of the end result, but there’s no doubting their success.