Holley 108-61 - Throttle Body Gasket on 2040-parts.com

Watch: 2014 Ram 1500 EcoDiesel video walkaround

Mike Cairns, chief engineer for Ram, says that people just can't help but pester him with the same damned question: “Why don't you put a diesel engine in a 1500?” Thanksgivings were, we imagine, brutal. The coming 2014 Ram 1500 EcoDiesel ought to steer family dinners back to less abrasive topics, like partisan politics. Get an up-close look at the truck in this video walkaround hosted by none other than Cairns himself.

Mazda's rotary spins to its 40th

By Tim Pollard Motor Industry 31 May 2007 02:03 Mazda yesterday celebrated 40 years of making rotary engines. It remains the only mainstream manufacturer persisting with this type of motor and has built 1.97 million of them since 1967. Rotary engines came to prominence in the 1950s as manufacturers experimented with turbine engines, but most admitted defeat in the face of technical difficulties and the inherent thirst of rotary units.

Subaru Impreza STI Cosworth (2010): first teaser photo

By Tim Pollard First Official Pictures 11 February 2010 15:40 Subaru has whet the appetite of hot hatch fans with this annoyingly restricted teaser shot of a new collaboration with Cosworth: the new Impreza STI wearing a Cossie badge.The company calls it 'a special one-off project', but the project appears to shun Prodrive who have fettled many of the go-faster official Subaru Imprezas of the past decade.Subaru Impreza STI Cosworth: what else do we know?Very little. Only a short marketing blurb was issued today, giving away no further facts. Here's what they told us:'Two of the biggest names in automotive performance have come together to work on a special one-off project, and the result promises to be truly staggering.  Subaru UK and Cosworth have enhanced the performance, handling and styling of the acclaimed Impreza STI, creating a car that will raise the bar for all-wheel-drive, high-performance motoring.