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We've gone muscle car crazy this week. Mostly, it is because of the Chicago motor show churning out some gems.

Now we have this, the Chevrolet Camaro ZL1. It is powerful. In fact, it is the most powerful Camaro ever built, and carries the moniker of a legendary all-aluminium racing engine built in '69.

The Chevy's 6.2-litre V8 gets a supercharger, upping power from 317kW to 410kW and 745Nm of torque; considerably more.

No performance stats as it is still undergoing development, but expect sub-five to 100km/h and a top speed somewhere north of 270km/h...

Its Aussie-developed chassis gets magnetic ride control, stronger axles and limited slip-diff, big-ass Brembo brakes, electric power steering and some body bits for extra ‘grrr'.

Camaro engineers have already beaten this brute at courses in the US and Germany, and will continue to assault it throughout the year, ready for production in 2012. Watch this space...