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!

Corvette concepts on display this week at Bowling Green museum

OK, Corvette lovers, here's your chance to view some all-time classic concepts. The 1961 Mako Shark Concept, the 1965 Manta Ray Concept, 1973 Aerovette Concept and 1959 Stingray Racer are all on display this week at the National Corvette Museum in Bowling Green, Ky. It's celebrating its 15th anniversary by showcasing the four concept Corvettes.

Nissan 370Z Nismo cost £36,995 & rest of 370Z range gets a price cut

The extra bang you get from the Nismo isn’t that great – it gets just 13bhp more than the regular 370Z – but it does get tweaked suspension, brakes and a sports exhaust as well as a rather OTT body kit. The body kit may be a bit too brash for many tastes, but Nissan do say it gives the 370Z levels of downforce that rival the GT-R, so when your neighbours laugh at your Halfords-esque 370Z you can tell them it’s all about the go and not the show. We’re sure they’ll believe you.