Metra Lc-gmrc-01 Gm Class 2 Data Bus Interface 2000-up on 2040-parts.com

LeMans winner Johnny O'Connell answers your driving questions

The guy's been racing professionally since 1987. He's won at LeMans four times. He's used to success, but this week he's an instructor at Bondurant, trying to make a halfway decent driver out of your humble editor.

Mercedes Vision S500 plug-in Hybrid Concept at Frankfurt

The Mercedes S500 Hybrid Plug-In will show at Frankfurt Update: Mercedes has now confirmed our S500 Hybrid story and we have images of the S500 hybrid at the bottom of the page The S500 Vision will feature a V6 petrol engine paired with a 10kw lithium-ion battery pack and a 44kw motor. This combination will allow the hybrid Mercedes to travel over 18 miles on battery power alone. When the battery discharges the electric motor will power up the petrol engine.

Revenge Design GTM-R is revealed at the Detroit auto show

File this under the eye-candy department at the Detroit Auto Show. An Indiana company named Revenge Designs Inc. unveiled at $145,000 supercar Monday that's fitted with a slew of General Motors parts, including the vaunted LS7 V8 rated at 505 hp and 470 lb-ft of torque.