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

Monster Jam is totally rad

To our 6-year-old selves, monster trucks really were the biggest, baddest things on four wheels, mechanized, city-block-sized demon machines that ate sedans and belched fire. The reality is that the trucks aren't that big when you get right up next to them -- certainly not the Caterpillar 797-sized car-obliterators we imagined years ago. They're probably around 12 feet high at most; given current trends, they'll be eclipsed by heavy-duty pickups in a design cycle or two.

Audi Q5 concept is killer

Audi has provided the strongest hint yet that it plans to crown its Q5 lineup with an RS model by revealing a one-off, 408-hp, supercharged 3.0-liter V6 concept version of its compact SUV. The vehicle’s public premiere comes this weekend at the annual Woerthersee meet in Austria. Although Audi officials are playing down the importance of the custom concept, insiders have told AutoWeek that it was constructed to provide customer feedback on a possible performance-oriented version of the Q5, the likes of which would almost certainly form part of the company’s future North American lineup.

Seven reasons why GM wants to keep Opel

General Motors Co. is considering reversing course and hanging on to Opel, and it is easy to figure out why. Keeping a foothold in Europe is vital for GM, and the company may be able to afford it.