2004 Polaris Msx 140 Flywheel Cover on 2040-parts.com

Lotus offers supercharger kits for the Elise and the Exige

Lotus enthusiasts looking to wring a little more power out of their rides now have a potent option: a supercharger kit for the Elise and Exige models. The kits boost power in the naturally aspirated versions from about 189 hp to 218 hp and improve torque from 133 lb-ft to 155 lb-ft. Even better, this added power comes on quicker, with peak torque coming on at 5,000 rpm, rather than 6,800 rpm.

AC Schnitzer upgrades BMW M6 line

AC Schnitzer has a new performance package for the BMW M6 coupe, convertible and Gran Coupe. In addition to engine upgrades, the tuning company adds suspension pieces, bodywork, interior bits and a choice of 20- or 21-inch wheels. Output is up from 560 hp to 620 hp, while torque grows to 582 lb-ft.

Ford to lower fuel economy rating on C-Max hybrid

Ford Motor Co. will reduce the stated fuel-economy rating of its C-Max Hybrid car -- a rare and potentially costly move that Ford spent months feverishly working to avoid. A Ford source with knowledge of the plan confirmed the company will announce the move on Friday.