1998 Polaris 700 Xcr Rear Suspension Front Pivot Torque Arm 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!

Ferrari F450 – due at Frankfurt in September ’09

Rendering of the Ferrari F450 - due to show at Frankfurt in September and go on sale in 2010 But the new Ferrari F450 is getting closer, and spy shots of the F450 have enabled Auto Express to come up with a rendering that is, we reckon, near as dammit to the finished article due to be shown at Frankfurt in September. Sporting a pair of big side vents that have been enlarged to help the engine breathe and the brakes cool, the F450 is different enough to the F430 to set it apart as a new car – not just an evolution. The F450 is going to have to go upmarket to compete with the likes of the Lamborghini Gallardo LP560-4, and in an effort to compete Ferrari has upped the capacity of the F430, increased the rev limit and produced an engine that, in the F450, should deliver something around 500bhp.

Autoweek America Adventure: On the road to Las Vegas

Who doesn't like a drive in the fall, particularly with a bunch of other car guys? It's a kick in the backside, right? And when the plan is for it to take about six days and lead you to places unknown along the route, there's a sense of adventure we can get our heads and hearts around.