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

U.S. Transportation Department says no defect found in Toyota's electronic throttles

The U.S. Department of Transportation said Tuesday that electric systems and electromagnetic interference did not play a role in unintended acceleration involving Toyota Motor Corp. vehicles.

2014 Lexus CT 200h: Guangzhou Motor Show

The new 2014 Lexus CT 200h (pictured) has debuted in China It’s three years since Lexus delivered their compact hybrid CT 200h and, as we revealed last week, a new CT 200h for 2014 is on the way. Lexus has now revealed the 2014 CT 200h at the Guangzhou motor show in China, and it gets the new Lexus face of a statement spindle grill, but it also gets changes that should help make the CT 200h more appealing. Top of those changes is improvements in the way the CT 200h rides; our biggest criticism of the CT 200h was that it had the harsh ride of a sporty car but without the power to exploit the setup.

Mercedes S63 gets new 5.5 litre V8

The Mercedes S63 AMG is the firts to get the new AMG 5.5 litre V8 Bi-Turbo Mercedes’ top end AMG engine has changed over the last few years. It’s gone from a 5.5 litre supercharged lump to the now ubiquitous 6.2 litre normally aspirated engine, which anomalously gets badged ’63′ throughout the cars that sit at the top of each of Mercedes big-engined ranges. But now we go back to the future with the return of a 5.5 litre V8 – admittedly a completely new engine (M571) – which this time round sports a pair of turbochargers and delivers 554 hp and 590lbs/ft of torque.