Russell 641300 Specialty Adapter Fitting on 2040-parts.com

Concept Car of the Week: Mazda RX500 (1970)

Developed by the Toyo Kogyo Company's advanced design and engineering team, the Mazda RX-500 was described as a ‘mobile test bed for high-speed safety'. Looking at its design, the team's childlike enthusiasm has shone through, resulting in a very cool concept.  From the rakish front to the wraparound windscreen and on to the bread van rear, everything communicates high-tech and ‘70's futurism while also channeling a little of the Star Wars X-Wing. Thanks to plastic body panels, the concept weighs only 850kg and is powered by a 491cc rotary engine delivering 247bhp fitted behind the cabin, in front of the rear axle.

Volvo Concept Universe: Volvo aims high

Volvo Concept Universe - complete with spangly nose We got the tease on the Volvo Concept Universe, which is what you would expect in this age of pre-launch torment from car makers. And now we get the reality. And we’re not too sure what to think.

BMW Z4 GT3 (2011) completes testing

BMW Motorsport has released pictures of its upgraded Z4 GT3 race car. The 2011 car has completed testing and is available for customer teams. BMW Z4 GT3: the lowdown The Z4 GT3 may look like a regular Z4 that's been attacked by a boy-racer with a carbonfibre and tea-tray rear wing fetish. But under the skin the Z4 GT3 ditches straight-six power for a 4.4-litre motorsport-tuned V8 engine, hooked up to a six-speed racing transmissionBMW Motorsport takes a regular Z4 coupe-cabriolet body shell, and removes the retractable hardtop, bonnet, bootlid, front and rear wings and the bumpers.