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by Brett Davis

Mazda is revealing more details of what is likely to be the new Mazda RX-9 set to follow in the footsteps of the old Mazda RX-7. There’s also more details revealed on the 16X engine, which is now well into the development stages.

The new model will be a strict two-door coupe unlike the recent Mazda RX-8 four-door arrangement. It is also expected to use Mazda’s new 16X rotary engine which is said to be ‘quite a bit bigger’ than the current twin-rotor design.

Mazda’s own website has a detailed description of the new motor. Key points include the introduction of direct injection technology – a first for a petrol rotary engine, aluminium side housings, 1600cc capacity instead of 1304cc of the 13B RX-7 and RX-8 engine, and new engine dimensions with increased stroke and reduced rotor width for improved thermal efficiency and more torque.

Japanese reports also say the new motor could use an electric supercharger to bump power figures to around 225kW. Reports from Autocar also say the car should weigh around 1250kg, making it a true light-weight sports car much like the late Mazda RX-7 coupe generations, with proper sports car power.

Rumours say the car should be in production by 2013.

Rendered image: Autocar