Polaris Xc Edge 500 Primary Clutch on 2040-parts.com

Project Car Hell: BMW-powered Opel Olympia vs. Aston-equipped Singer Nine

Editor's note: When you can't fit your newly acquired basket-case Jeep FC150 in the garage because you have an Autocar Sussita and a 1928 Studebaker President chassis buried beneath crates of Subaru 360 parts, you're in Project Car Hell. Our friend Murilee Martin is here to oil up the gates to Automotive Hades, bringing the series back with a couple of you'd-hafta-be-outta-your-mind hypothetical engine-swap projects. And be sure to check back for fresh installments of Project Car Hell every week.

Noble M600 Roadster Revealed – but you can’t have one

Noble Automotive has released an image of a convertible M600, but has no plans to produce it at present. The Noble M600 is an impressive supercar from one of the UK’s most interesting ‘Garden Shed’ supercar builders, even if it’s gestation period seems to have been ten times that of an elephant. The M600 ‘arrived’ in 2009 ready to rock and roll, or so we thought, but then seemed to disappear again.

Callaway supercharges the Camaro Z/28

Chevrolet revealed the 2014 Camaro Z/28 to the media just weeks ago, despite its public debut 11 months ago at the New York auto show. Now Callaway Performance has announced their own version of this modern muscle classic. The Callaway Camaro Z/28 SC652 is meant to be their most focused version of the car.