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

One Lap of the Web: Porsche product planning secrets leaked, a visit Ferrari factory circa 1988 and the $30 million Chevy Nova

-- A Porsche insider might have just leaked all of the German automaker's big reveals for the next few years if a photo posted at Jalopnik can be trusted. There aren't any real earth-shakers here, but be on the lookout for a Boxster and Cayman GTS, the Macan and an old-school targa top for the 911http://edit.autoweek.com/apps/pbcsedit.dll/red# at the next few auto shows. -- How much is a '75 Chevrolet Nova worth to you?

Mercedes-Benz to cut production time, halve number of vehicle architectures

Mercedes-Benz is restructuring its global production network to cut the average production time for its models to 30 hours by 2015 from 43 in 2008. "We have increased productivity by 2 percent a year over the last few years. We will be accelerating our productivity efforts," Mercedes production boss Wolfgang Bernhard said during an investor conference that was part of the automaker's plant opening in Kecskemet, Hungary, on Thursday.

Camouflaged Cadillac ELR spotted on the road

Autoweek reader Josh Lindquist recently snapped these photos of what may be a camouflaged Cadillac ELR cruising around metropolitan Detroit. While the photos don't show the car from every angle, its lines are strikingly similar to those on the ELR featured on Cadillac's official Web site. The ELR first appeared as the Cadillac Converj concept in 2009.