Hinge Pin #77123 Mercury, Mercruiser 1977-1998 Inboard Steering, Gimbal Rings #1 on 2040-parts.com

One Lap of the Web: Elon Musk's Hyperloop, Greenwich Concours and a Model T

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. The 2013 Porsche Rennsport Australia went off over Memorial Day weekend at Sydney Motorsports Park and motorsportretro.com has full gallery of pictures.

Vintage vehicles shine at annual Lime Rock Park fall festival

Mark your 2011 calendar for this event, right now. Vintage racing in the Northeast was virtually invented at Lime Rock Park in Connecticut. The sport was established by the Vintage Sports Car Club of America (VSCCA), founded in 1958, and remained “clubby” for nearly two generations, as anyone who ever saw Fred Willits drive his Bugatti GP car through the Lime Rock pits with his blue blazer buttoned over his driving suit will remember.

Nissan aiming to build radically different 2015 Le Mans prototype

By Ben Pulman 12 December 2013 12:00 Nissan is targeting an entry into the 2015 Le Mans 24hrs with a race car that will be radically different to the LMP1 prototypes fielded by Porsche, Audi and Toyota. Nissan will compete at Le Mans in 2014 with the radical ZEOD RC, filling the ‘experimental competitor’ pit garage last used in 2012 by the Nissan-powered DeltaWing, but it wants to use that experience to build a challenger for the premier LMP1 category in 2015, one that stands out from the rest of the field. ‘We have an active programme now,’ Nissan chief planning officer Andy Palmer (pictured, right) told CAR.