Harmonic Balancer Drive Pully on 2040-parts.com

Pick up a twelver for the tired cat, wouldya?

The timeworn solution to quelling the finicky (read “expensive to repair”) Jaguar V12 has been to swap the British unit with that eight-pot testament to midcentury American ingenuity, the Chevrolet small block. We've seen an '80s-era L98 in a Lamborghini Espada. We've borne witness '90's-era LT1s in all manner of things.

Video: Audi's custom slot car track

Slot Mods of Clinton Township, Mich. is in the business of building hyper-realistic, hand-crafted 1:32 scale slot car tracks. Leno is getting one, Bobby Rahal has one, and now Audi has one.

Mercedes E300 BlueTEC (2011/2012) revealed

The Mercedes E300 BlueTEC - 70mpg and on sale late 2011 Just like every other car maker, Mercedes is trying to push ever more fuel efficient and low emitting cars to the market. The range of BlueEfficiency C Class and E Class are a good example, which should be a huge success. And they no doubt will be if Mercedes can solve the problems of the high-tech injectors giving up the ghost after a month or two.