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

Chrysler to build smaller version of Pentastar V6

The Chrysler Group plans to produce a smaller version of its 3.6-liter Pentastar V6 engine, likely at a plant in suburban Detroit, according to a union official and a source familiar with the project. The new 3.2-liter Pentastar V6 is set to debut in the replacement for the Jeep Liberty, the union official said. Chrysler-Fiat CEO Sergio Marchionne has said the Liberty successor will be introduced in January at the 2013 Detroit auto show.

$2.9 million Pagani Zonda Revolucion introduced

Supercar maker Pagani introduced the Zonda Revolucion at its yearly international Pagani meet up. The Revolucion will be the last version -- for now -- of the Zonda. The company also said the R would be the last version, and then said the same thing about the Tricolore.

Infiniti planning to take on Porsche Panamera

Infiniti planning to make the Essence Concept (pictured) in to a Panamer-like Coupe Back in 2009 – ahead of Infiniti launching in Europe – the Infiniti Essence arrived at the Geneva Motor Show as an illustration of what we could expect to see from Infiniti in the future. That was four years ago, but now it looks like the Essence may be on its way to production – after a slight stretch and the acquisition of a couple of extra doors – after Andy Palmer, Nissan’s VP for Future Products, told Automotive News Infiniti is planning a range-topping flagship to take on the Porsche Panamera. The Essence seems a good starting point for that mission; it’s already a big (over 15′ long) swoopy-coupe with a hybrid powerplant consisting of a 3.7 litre turbo V6 and electric motor combination good for 590bhp.