20B engine is a 2.0-liter

Mazda 20B engine is a 2.0-liter, triple-rotor Wankel engine with impressive performance capabilities. Here are its key specifications:

– Engine Details
– Type: 3-rotor Wankel rotary engine
– Displacement: 2.0 liters (1962 cc), with each rotor having a displacement of 654 cc
– Fuel System: Electronic Fuel Injection
– Compression Ratio: 9.0:1

– Performance
– Power Output:
– Stock: 276 horsepower at 6,500 rpm (some sources claim actual figures might be closer to 300 horsepower)
– Racing Version: 440 horsepower at 8,500 rpm
– Torque Output:
– Stock: 296 lb-ft at 3,000 rpm
– Racing Version: 289 lb-ft at 8,000 rpm

– Weight and Dimensions
– Weight: approximately 771 pounds (350 kg for the production version and 143 kg for the dry-sump racing version)
– Dimensions: 672mm (L) x 549mm (W) x 520mm (H) with accessories

– Other Specifications
– Ignition System: Distributor-less ignition system with two distributors (in some versions) or a high-energy capacitor discharge ignition (CDI) system
– Cooling System: Liquid cooling system with water and coolant to prevent overheating
– Lubrication System: Pressurized lubrication system with an oil pump, oil filter, and oil pan

The 20B engine is known for its smooth power delivery, high specific power output, and unique sound. It’s a rare and highly sought-after engine among Mazda enthusiasts, particularly because it was the world’s first mass-produced 3-rotor engine with a twin-turbo setup