Unleashing Turbo Power: The O.S. Engine 21VZ-R Turbo II
The O.S. Engine 21VZ-R Turbo II, known by its model number OSMG2072, is a powerhouse in the world of 1/8 scale on-road racing engines. With a reputation for reliability and high performance, this engine is designed to meet the demands of serious RC racers. The enhancements in this version make it a standout choice for those seeking both power and durability on the track.
Engineered for Maximum Performance
At the heart of the 21VZ-R Turbo II are several key upgrades that set it apart from its predecessors. The internal crankcase has been refined to improve mixture flow, resulting in a more efficient combustion process. Additionally, the re-shaped liner port enhances the engine's ability to deliver consistent power across the entire rpm range. This is especially beneficial for racers who need reliable performance at high speeds.
Pushing the Limits with Advanced Features
The engine boasts a button-shaped inner head design, which boosts high-end rpm capabilities, making it ideal for competitive racing environments. The piston, machined from bar stock, provides enhanced strength and durability, ensuring that the engine can withstand the rigors of intense racing sessions. These features, combined with the classic two-piece turbo cylinder head and rear exhaust configuration, offer an unparalleled racing experience.
Precision Tuning and Versatility
One of the standout features of the 21VZ-R Turbo II is its 20K slide-valve carburetor, which allows for precise tuning and control over fuel intake. This level of adjustability is crucial for racers looking to fine-tune their engines for specific track conditions. Moreover, the repositionable universal fuel inlet nipple adds to the engine's versatility, making it easier to fit into a variety of chassis setups.
Specifications
- Displacement: 0.211 cu in (3.5 cc)
- Bore: 0.654 in (16.6 mm)
- Stroke: 0.630 in (16.0 mm)
- Practical rpm: 3,000-42,000
- Output: 2.5 hp @ 34,000 rpm
- Weight: 11.1 oz (315.5 g)
- Carburetor: 20K
- Glow Plug: T-P7 Turbo (included)
The O.S. Engine 21VZ-R Turbo II is an excellent choice for experienced RC racers looking to enhance their on-road performance. Its robust construction and advanced features make it suitable for competitive racing, while its precision tuning capabilities cater to hobbyists who enjoy fine-tuning their setups.
