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

Coker unveils 1939 Indy engine rebuild at SEMA show

Joe Lencki built a DOHC straight six in 1939 that made an astounding (for the time) 417 hp. The engine was in cars that raced, qualified or tried to qualify at Indianapolis all the way up to 1963. It was an innovative monoblock design that, with those cam covers and cooling fins, looks even cooler now than it probably did 63 years ago.

Volt, Leaf win top safety rating in crash test

The 2011 Chevrolet Volt and Nissan Leaf electric cars won the highest safety ratings in crash tests performed by the Insurance Institute for Highway Safety, putting them in the top 57 percent of models tested so far this year. About 80 of 140 vehicles tested among 2011-2012 models have received the Institute's "top safety pick," the group's award for state-of-the-art crash protection that exceeds federal safety rules, Institute spokesman Russ Rader said. The Volt and Leaf received a "good" rating -- the highest of four rankings -- on each of four crash tests, said the Institute, which is funded by auto insurers including State Farm, All-State and Geico.

Porsche 918 Spyder details emerge in leaked document

Rennteam.com forum member Rossi has posted what looks to be leaked details of the Porsche 918 Spyder hybrid. We know much of the information, but we're psyched to learn that it only comes in left-hand drive. Other surprises include the quick charger that reduces charge times about 30 minutes and the inclusion of Sail Mode, which decouples the transmission from the engine to conserve fuel.