Go Kart Hammerhead Mudhead 80t Carburetor Intake Manifold Insulator Plate New on 2040-parts.com

The great Tesla bubble of 2013

Do I go too far out on a limb to suggest Tesla is the modern-day version of the Great Tulip Bubble of March 1637? Remember, that was when speculators drove prices of just-introduced tulip bulbs to astronomical heights. Some single bulbs cost more than 10 times an average working man's salary.

More executive upheaval as GM changes CFO

Chris Liddell, the onetime executive hotshot hired from Microsoft and rumored to be a candidate for CEO, is leaving General Motors on April 1. The 52-year-old will be replaced by Dan Ammann, 38, who is GM’s treasurer. Liddell oversaw GM’s historic return to the stock market last year after its 2009 bankruptcy.

McLaren MP4-12C gets 616 bhp

The McLaren MP4-12C is about to get some upgrades – including an extra 25bhp – which will also be offered to existing owners free of charge. On balance, what McLaren has achieved with the MP4-12C is nothing short of remarkable. Yes, there have been a few glitches along the way, but in truth they have been little more than the sort of hiccups almost any new supercar suffers as it escapes in to the wild and has to deal with the real world and real drivers.