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

Underground Racing Lamborghini cracks 250 mph--watch the video here

Earlier this year, we told you about Underground Racing, a shop in Charlotte, N.C., that makes a business out of upgrading Lamborghinis with twin turbochargers to boost engine output to more than 1,000 hp. Now, a Lamborghini Gallardo Superleggera upfitted by Underground Racing cracked the 250-mph mark at the Texas Mile event. Car owner Richard Holt made the 250.1-mph run in late March, but video was posted just this week.

Hyundai i20 to go WRC Rallying

Hyundai has confirmed it’s going rallying with an i20 heading for the WRC sporting around 300bhp and 4WD. Hyundai has announced that it is going to compete in the FIA World Rally Championships with a car based on the three-door i20. Hyundai hasn’t been rallying since it withdrew from motorsport in 2003, but the arrival of more convincing models – and growing sporty pretensions in the Hyundai range – make a rally glow a sensible move for the Korean firm.

Revolutionizing the BMW M3

BMW is less than a year away from officially revealing the fifth generation of the menacing M3, the first to receive turbocharged six-cylinder power. The performance sedan, code-named F80, is expected to appear as a lightly veiled concept at the 2013 Geneva motor show, debuting the appearance and mechanical package of the M division's eagerly anticipated Mercedes-Benz C63 AMG rival. A showroom-ready version with a production interior arrives at next year's Frankfurt motor show, BMW sources say.