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

ZF boss thinks 9 speeds is enough for transmissions

The nine-speed transmission might be where the race to add gears ends, ZF Friedrichshafen CEO Stefan Sommer said. He referred to nine speeds as the "natural limit" because going beyond that number adds weight and complexity that cannot be offset by gains in fuel efficiency. "There is no hard line, but you have to consider the law of diminishing returns.

Jeep Grand Cherokee, there’s an app for that

Chrysler said on Thursday that it will release its owner’s manuals as smartphone apps. This is in addition to replacing its hard-copy owner’s manuals with DVDs and small quick-reference guides, something it did last year. The first iPhone manual will be available on June 19, for the 2011 Jeep Grand Cherokee.

Land Rover Discovery gets a final facelift for 2014

The 2014 Land Rover Discovery (pictured) gets a bit of a facelift Ahead of a reveal at the Frankfurt Motor Show next week, Land Rover have revealed a facelift for the Discovery 4 as it comes to the end of its shelf life. The usual facelift fodder applies, with the Disco getting a revised front bumper, new grill and new headlights (with new LED running lights) and some nice new alloys. Land Rover has also replaced the ‘L A N D  R O V E R’ lettering on the bonnet to read ‘D I S C O V E R Y’ as the move to highlight the Discovery as a range of models to stand alongside Range Rover starts to take shape ahead of the new Freelander (which will be part of a new Discovery family of cars) and the eventual replacement for the Discovery 4.