Engine Crankshaft Main Bearing Set Dnj Mb315 on 2040-parts.com

Buick prices LaCrosse four-cylinder model, due early next year

The Buick LaCrosse will get a four-cylinder engine that could get up to 30 mpg early next year. The LaCrosse, Buick's highly touted new sedan, will start at $26,995 with this powerplant. The direct-injection 2.4-liter Ecotec four-cylinder makes 182 hp and 172 lb-ft of torque.

More Power! Get the details on the potent Porsche 911 GT3 RS 4.0

Porsche has ramped up the already heady performance of the 911 GT3 RS through the adoption of a new, naturally aspirated 4.0-liter version of the company's sturdy, horizontally opposed flat six-cylinder engine. The unit kicks out 50 hp more than the 3.8-liter six-cylinder used in the existing 911 GT3 RS. This mill claims 500 hp at 8,250 rpm, a figure which makes the speedster the most powerful naturally aspirated road-going version of the 911 ever.

Concept Car of the Week: Mercedes T80 (1939)

In the decade before World War II, no other carmaker even came close to matching the combined dominance of Mercedes-Benz and recently founded Auto Union. Supported by Adolf Hitler's Nazi government, the two brands had grander plans to demonstrate Germany's technological supremacy. In August 1936, Auto Union engineer Ferdinand Porsche and race car driver Hans Stuck approached Wilhelm Kissel, chairman of Daimler-Benz, and presented a plan to build a car that would set a new land speed world record.