FD RX7 Rotary Engine


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Jun. 16, 2023 11:35 AM ET by Roger Biermann Engine / Comments 6 patents filed on the same day in Japan indicate Mazda is working on something big. CarBuzz has discovered that Mazda has filed six.


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The RX-7 was powered by Mazda's 1,146cc twin-rotor 12A engine, good for 100 hp and 105 lb-ft of torque, which placed it well ahead of the competition at the time.


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The RX-7 GSL-SE's 13B rotary engine is only 14.1 percent larger in displacement than the 12A powerplant (1308 versus 1146 cc), yet it develops 33.6 percent more power and 24.3 percent more torque.


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The fast-revving 1.3-liter two-rotor engine, formally known as the 13B, makes the RX-7 come alive. With a piercing 8,000 rpm redline, the rotary engine sings happily through every gear. While the first-generation RX-7 engines were offered in a 1.2-liter configuration, known as the 12A, the true hero that keeps the rotary community alive is the 13B.


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The RX-7 was a purpose-built vehicle. As a result, the carmaker offered the base version with just enough amenities, while the top-spec one featured a sunroof and a four-speed automatic.


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Jan 11, 2024 If you think the exterior of Todd Budde's 1993 Mazda RX-7, complete with its 1970s-era RX-3 front end transplant and bulbous front and rear fenders, seems like a wild approach,.


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Launched in 1993, the FD series RX-7 boasted elegantly organic styling from Tom Matano, more power than ever (255 hp) from a twin-turbocharged, twin-rotor 13B 1.3-liter rotary engine, and a.


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This positioning, combined with the compact Wankel engine, gave the RX-7 almost perfect 50-50 weight distribution along with quick, tossable handling. Photography Credit: J.G. Pasterjak While it was not fast by any means—it featured zero-to-60 times of around 9 seconds—the engine featured a wide, usable power range.


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A new sequential twin turbocharger boosted output from the latest 13B engine to 239PS on the European version. Said by fans to be the best handling of all RX-7s, the 5.3 sec 0-100 kph sprint and 250 kph top speed (limited) put the 1,300 kg two-seater in a league with high-end sports cars - fitting for the brand that had just won at Le Mans.


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The turbos work sequentially. The RX-7 utilised the world's first mass-produced sequentially turbocharged engine. If you're craving that in plain English, there are two turbos but they work.


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Pagani RX-7 V12 Swap. You read that right. Someone actually plonked a Pagani V12 into a RX-7. Technically, it's a Mercedes M120 engine that Pagani used in the Zonda. Nevertheless, the motor found its way into a Mazda RX-7. You may have seen many flagship Mercs of the 90s rocking this 6.0L V12.


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As always, the RX-7 continued to showcase the potential of the rotary engine, with the 13B-REW unit now fed by a twin-turbocharged setup in a bid to balance the soaring heights of the car's 8000-rpm redline with enough low-end torque to keep real-world driving fun, too.


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The twin-rotor rotary engine was mounted just behind the front axle, coining the phrase "front mid-engined.". This imbued the RX-7 with near-perfect 50/50 front/rear weight balance and a low center of gravity, making the car handle more sweetly and faithfully. Allied to this balance were rear drive and a manual gearbox, plus compact.


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The 13B engine is widely known Mazda Wankel engine. It was produced over 30 years and offered for many Mazda's models including the RX-7 - legendary Japanese sports car. This Mazda rotary engine has a two-rotor design like its predecessor the 12A. Mazda following the tradition has left the radius of rotors unchanged (starting from the 10A engine).


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mazda rx7 engine Pre-Owned: Mazda $850.00 Free shipping or Best Offer 86-88 Mazda RX-7 FC 13B 1.3L Rotary Engine & Manual Trans Donor Dropout (125K) (Fits: Mazda RX-7) Pre-Owned: Mazda $3,498.00 Was: $4,372.50 $425.00 shipping or Best Offer 16 watching JDM Mazda RX7 13B-TT FD3S 1.3L Twin Turbo Rotary Motor RX-7 Engine Manual Trans Pre-Owned: Mazda


FD RX7 Rotary Engine

The Mazda RX-7 FD3S boasts an impressive rotary engine performance and lightweight construction, making it an ideal candidate as a time attack car, so Japan-based Tomiyoshi Racing got its hands on.