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The Mazda B-series is a small-sized, iron-block, inline four-cylinder engine with belt-driven SOHC and DOHC valvetrain ranging in displacement from 1.1 to 1.8 litres. It was used in a wide variety of applications, from front-wheel drive economy vehicles to the turbocharged full-time 4WD 323 GTX and rear-wheel drive Miata.
A typical turbocharged V8 diesel engine might have an engine power of 250 kW (340 hp) and a mass of 380 kg (840 lb), [1] giving it a power-to-weight ratio of 0.65 kW/kg (0.40 hp/lb). Examples of high power-to-weight ratios can often be found in turbines. This is because of their ability to operate at very high speeds.
Although Mazda is well known for their Wankel "rotary" engines, the company has been manufacturing piston engines since the earliest years of the Toyo Kogyo company. Early on, they produced overhead camshaft, aluminum blocks, and an innovative block containing both the engine and transmission in one unit.
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The rotary-hybrid concept car is closer in size to the RX-8, but Mazda tells Automotive News Europe that it "could easily be shrunk down to Miata-like proportions." Mazda Says It Could Make the ...
The Mazda MX-5 is a lightweight two-person sports car manufactured and marketed by Mazda with a front mid-engine, rear-wheel-drive layout.The convertible is marketed as the Mazda Roadster (マツダ・ロードスター, Matsuda Rōdosutā) or Eunos Roadster (ユーノス・ロードスター, Yūnosu Rōdosutā) in Japan, and as the Mazda Miata (/ m i ˈ ɑː t ə /) in the United States, and ...
The wheel size is fixed at 15 × 7, with the wheels weighing no less than 13 pounds. Cars with 1.6 liter engines (1990-1993) have a race weight of 2275 pounds (1057 kg) and first generation cars with a 1.8 liter displacement engine (1994-1997) have a minimum race weight of 2400 pounds. "NB1 Miatas" (1999-2000) have a minimum weight of 2400 pounds.
The MX-5 was unveiled at the Chicago Auto Show on February 10, 1989, with a price tag of US$14,000 (equivalent to $34,412 in 2023). [4] The MX-5, with production code NA, was made available for delivery to buyers worldwide in the following dates: May 1989 (as a 1990 model) in the US and Canada; September 1, 1989 in Japan; and 1990 in Europe.