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

Infiniti JX

Shanghai and New York aren't even over yet, but that hasn't stopped Infiniti releasing this teaser sketch of the car it plans to show at the Pebble Beach Concours d'Elegance this coming August. The JX luxury crossover carries styling cues 'such as dynamic and elegant line treatments' over from other Infiniti production models, whilst also drawing from the Essence concept car, sporting the 'crescent cut' greenhouse treatment. Billed as the antidote to 'ho-hum' luxury crossovers, the seven seat JX is said to offer 'exceptional seating flexibility, easy access to the roomy third row, plus the latest in-vehicle technology - challenging the status quo in its class'.

Dealers repairing Chrysler V6 engines

Chrysler Group dealers are replacing malfunctioning cylinder heads on a small percentage of 3.6-liter Pentastar V6 engines. And a recent shortage of replacement heads means some customers have been without their vehicles for weeks, some dealers say. Chrysler is paying for their rental cars.

Half of all used cars go wrong ‘within a month’

With over seven million secondhand cars purchased in 2012, you’d expect one or two to develop a problem soon after purchase. But rather shockingly, as many as half of all used cars sold develop faults within a month of changing hands. That’s according to a report by the Citizens Advice Bureau, which helped with over 84,000 problems with secondhand motors in the past 12 months.