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March 3, 2014, 9:09 a.m.
3/3/2014
By Mike Garrison
LiveRC.com
O.S. Engines has just released the all-new Speed R2101 .21 high-end competition onroad engine. Its specially designed 7+3 port cylinder liner ensures smooth acceleration, great power, and improved fuel economy. The DLC coated crankshaft comes with pressed-in weights and is silicone-ported. The crankcase is a new design that provides efficient fuel flow from
intake to exhaust. Sporting laser-etched Speed Tuned graphics, the Speed R2101’s machined outer head results in improved cooling and a lower center-of-gravity.
Look for the new Speed R2101 engine to hit hobby shops very soon.
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