When we talk about Japanese sports cars of the 90s, it is impossible to forget about an icon like the Mazda RX-7 and its rotary engine. Built on a light platform that allowed it to stand a scale of around 1,300 kilos, the third generation of the FD sports car was fired on four sides, and its 13B twin-rotor engines were developed, 255 bitumen on the bitumen, with the help of two aids. turbochargers A formula which did not need seasoning to make the ruler happy, although there are those who do not think so.
heavenly sound
Rob Dahm owns what is probably the coolest third-generation Mazda RX-7 we’ve seen in years. If anyone has looked at his expensive and formidable show, he will know that it is not exactly the norm, since its aesthetics have already preceded a series of modifications to turn the Japanese model into a four-wheeled beast born to run. Flaring crowns, low ride height and huge rear horns are all part of this temperamental creature.
Under the hood, the aforementioned original lock is no longer present in favor of another much more capable one, along with the top four rotors that give the RX-7 a huge sound, much like Mazda’s glorious Le Mans-winning style. 787B. Dahm decided to take his most precious gem to the test bench with the aim of measuring the true figures of both power and maximum torque that the engine is capable of developing, due to which the pressure of the aforementioned turbocharger is gradually increased, until it reaches an alarm. borders
Yes, the first tests show very decent figures, we are talking about 700 hp and 813 Nm at 6,000 rpm, but they are far from what the RX-7 finally manages to achieve. When this pressure increases, close to 1.7 bars, the trunk of the four rotors begins to generate some very attractive flames, which find their way out through the exhaust side. Now, Mazda already makes 1,000 horsepower and 1,140 Nm of peak torque. It’s a sound from another world.
Hp over 1,000
However, Dahm decided to go one step further by increasing the pressure to 2.7 bar in an effort not to make the engine feel overstressed, the opposite seems to be in its element. Here it is that emits a mind-blowing 1,145 horsepower and a whopping 1,290 Nm of torque, Sense can continue to improve its numbers, although Dahm is too weak to try. Before loading the RX-7 onto the trailer again, he decides to make a few passes on the street, delighting us with the power of his beast. Imposition is the word.
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Borja DÃaz Specialist in motor and technical issues.
