Mazda is not shy of pushing engineering boundaries when it comes to making its cars. After all, the Japanese marque pioneered the Wankel engine (calm down at the back), which sees a rotor spin inside a housing, rather than conventional pistons pumping up and down.It is beloved by Mazda aficionados and the RX-7 arguably embodied everything that was great about the powertrain: a gorgeous exterior that housed a free-revving, free-spirited motor that could be tuned to produces masses of
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