10 Nos Vintage Harley Davidson Flathead 45 Wl Head Gaskets 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.

RIP Massimo Tamburini 1943–2014

Massimo Tamburini, the renowned motorcycle designer, has died at the age of 70. He passed away on Saturday in his native San Marino from lung cancer. Tamburini's body of work stretches back to 1971 and includes designs for Cagiva, Ducati, MV Agusta and Bimota, which he founded alongside Valerio Bianchi and Giuseppe Morri.

One Lap of the Web: Kyle Busch takes to the streets, a new Mazdaspeed3 and the Crazy Cart

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- When you let a NASCAR driver take his souped-up track car on local streets, you can be sure that what will happen is nothing short of incredible.