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

2015 Ford Mustang Mach 1 rendered

File this one under "harmless speculation we're hoping Ford execs are paying attention to": Top Speed has rendered the 2015 Mustang Mach 1, giving an idea of what to expect if/when the Blue Oval trots out a hotter version of the newest pony car. The heat extractors on the hood get beefed up, and there's no missing the gigantic, adjustable front splitter. The lip spoiler on the trunk would be subtle if not for the contrasting black paint.

Zagato TZ3 Stradale: Alfa curves meet America muscle

The beautiful Alfa Zagato TZ3 Stradale There’s been a lot going on to celebrate the centenary of Alfa Romeo, not least the cars created to pay tribute to a marque that still oozes petrol from every pore. January 2011 saw the Alfa Romeo Pininfarina Concept at Geneva Motor Show, April saw the Alfa Romeo TZ3 Corsa début at Villa D’Este and Christmas had us expecting a Zagato TZ4 Stradale after Zagato’s Christmas card seemed to show what we thought could be an Alfa Romeo Zagato TZ4 all wrapped up in a bow. Now, four months on, Zagato has taken the bow of the Christmas present and presented us with the Zagato TZ3 Stradale, beautiful Alfa curves and based on a … Viper.

MAZDA5 RESIDUAL PERFORMANCE IS 'BEST KEPT SECRET'

A NEW diesel version of the Mazda5 MPV has stormed onto the market with the best residuals in its class. Used car valuation expert CAP has described the 1.6-litre diesel model as a "best kept secret" and has predicted that the Sport model will retain 32 per cent of its value after three-years and 60,000-miles. The TS2 model also performs extremely well, with a 31 per cent retained value predicted.