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O.S. ENGINES .21 VX-B (P) Engine

O.S. ENGINES .21 VX-B (P) Engine
O.S.’s latest engine is a new and improved version of the mill that powered Greg Degani to victory at the IFMAR 1/8-Scale Worlds. The VZ-B (P) has a newly developed 20L carburetor that features twin low-range needles for extra precision, and the carb works with the metering valve and nozzle to increase combustion efficiency. Its other features include: three ports; a larger-diameter crankshaft to create higher torque; a larger heat-sink head to improve cooling; and both the piston and conrod have been machined to make them more precise and lighter. The .21 VZ-B(P) is a powerhouse (our Nitro magazine editor Kevin Hetmanski can attest to this after running it in his Kyosho buggy). According to O.S., the engine puts out a whopping 2.4hp at 32,000rpm—more than enough power to make any buggy rip!

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Updated: July 20, 2015 — 5:03 PM

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