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

NHTSA probing coolant leak in Porsche 911?

In another embarrassing failure to understand what they're supposed to be regulating, the NHTSA has announced that they are investigating a “coolant leak” in Porsche 911s that were built with the GT1 engine block between 2001 and 2007. Maybe when they said coolant, they were talking about the oil that circulates in a 911 to keep the engine cool? Next thing you know, they'll be checking out fuel pumps on the Tesla Model S!

Kia KV7 concept car (2011) at the Detroit auto show

Kia whisked the covers off the KV7 concept car at the 2011 Detroit auto show this afternoon. These are the first official pictures of the KV7, a spectacular gullwing people carrier that's as bamboozling to look at as an adventurous Korean lunch to a westerner. The Kia KV7 is an SUV-MPV crossover, designed at Kia's Californian styling studio.

Volvo tuner Polestar reveals production S60 and V60 models

It's not every day that we can tell you about a performance-tuned station wagon that is actually coming to the U.S., but today is one of those rare days. Volvo racing and aftermarket tuning specialist Polestar has revealed details of their production versions of the V60 wagon and the S60 sedan, which are bound for the U.S. The S60 and V60's 3.0-liter T6 engine has been tuned to produce 350 hp and 369 lb-ft of torque, which is said to give it a 0 to 62 mph time of 4.9 seconds, on the way to an electronically limited top speed of 155 mph.