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

McLaren 12C GT Sprint appears at Auto Zurich

McLaren confirmed earlier this month that the 12C GT Sprint would cost $316,000, converted from British pounds. On Thursday, we were sent a selection of photos of the new track car by photographer David Kaiser, from a car show in Zurich, Switzerland. According to a McLaren representative at the booth, the 12C GT Sprint pictured is the first production car.

2014 Ford F-150 Tremor revealed

Street-truck enthusiasts looking for V8 power with V6 fuel economy, look no further. In what initially looks like a baby Ford Raptor or a true successor to the F-150 SVT Lightning, Ford has revealed a special trim package for their F-150, named the Tremor. Featuring the 3.5-liter EcoBoost engine packing 365 hp and 420 lb-ft of torque, the Tremor comes with the short-wheelbase, regular cab and 4x2 set-up.

Tomorrow’s world: Fiat's MultiAir engine tech

By Jesse Crosse Motor Industry 14 October 2009 16:50 Fiat this year launches what it claims is a big step forward in variable valve timing: MultiAir. It's the first time that a manufacturer has made a properly variable valve system a production reality, and will slowly be rolled out across most of Fiat's and Alfa's car ranges.How does Fiat's MultiAir vary from existing variable valve timing (VVT) systems?Current VVT systems rely on mechanical systems to open and close the valves. Engineers have long understood the benefits of changing valve opening and closing times to tweak an engine's power and emissions performance, depending on the need for power or parsimony.Valves are an engine's nose and mouth – it inhales through inlet valves and exhales through exhaust valves.