2010-15 Acdelco Iridium Spark Plugs - 3.6l Dohc V6 on 2040-parts.com

Driven: Citroen DS3

The Citroën DS3's success has taken many – Citroën included – by surprise. The company has been forced to increase production since the car went on sale 12 months ago, in the light of unprecedented customer appetite. At launch, there were many who felt the DS3's relatively conventional nature did a gross disservice to the famous nameplate (despite the company's protestations that the DS moniker has no connection with its 50s namesake).

Suzuki iV-4 Concept revealed: Frankfurt 2013

The Suzuki iV-4 Concept (pictured) has been revealed at Frankfurt The Suzuki iV-4 Concept was teased by Suzuki ahead of its reveal today at the Frankfurt Motor Show. And it’s a convincing looking urban SUV. Aiming to take a piece of the market from the Nissan Juke and its like – the ‘Funky Urban Warrior – the iV-4 is scheduled to be an addition to the Suzuki family, rather than a replacement for the Jimny or Grand Vitara, and fits below the new SX4 S-Cross in size.

Coker unveils 1939 Indy engine rebuild at SEMA show

Joe Lencki built a DOHC straight six in 1939 that made an astounding (for the time) 417 hp. The engine was in cars that raced, qualified or tried to qualify at Indianapolis all the way up to 1963. It was an innovative monoblock design that, with those cam covers and cooling fins, looks even cooler now than it probably did 63 years ago.