10 X 38npt Coupler W Jam Nut on 2040-parts.com

MPG or performance: It's a trade with turbos

Some automakers say turbochargers offer high fuel economy and quick acceleration, the best of both worlds. Well, yes and no. Turbocharged vehicles allow automakers to keep power output high while they downsize engines for better fuel economy.

Auctioned Ferrari Dinos fetch more than £380,000

TWO FERRARI Dino cars have sold for a combined £383,000 during the same auction, despite one of them needing significant restoration. The model has in recent years become a golden goose for any owners lucky enough to have acquired one years ago, and the latest Silverstone Auctions sale shows what a cash cow even poor condition examples have become. A recently-restored 1971 Dino topped £250,000 inclusive of its buyer's premium, while the rusting form of a 1973 version still brought about a £132,500 sale.

2013 Mercedes-Benz SL previewed by leaked brochure

Here's the image that has the Web abuzz today--an apparent brochure scan of the 2013 Mercedes-Benz SL distributed by a European automotive site. Design cues reminiscent of the SLS AMG are unmistakable, and the new SL also takes on a fairly prominent iteration of the corporate front fascia. Underneath, Mercedes is promising a new aluminum architecture that will save weight while boosting rigidity.