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Reds Racing WRX Corsa Lunga Nitro Engine

Reds Racing WRX Corsa Lunga Nitro Engine
Reds Racing has created the new WRX Corsa Lunga engine! The WRX features an Extra Long Stroke geometry, 5 scavenger port and a single exhaust port cylinder sleeve, and works with the crankcase to deliver more low-to middle-range torque with less fuel consumption. The engine has been designed to develop an incredible wide RPM range of usable torque, which Reds says makes the WRX Corsa Lunga one of the fastest engine worldwide.

We decided to improve Reds Racing engines line and provide the all-new WR Line engines with a DLC Coated crankshaft and back plate for improved engine durability. The crankshaft can last approximately 3 times more than a conventional steel crankshaft thanks to the extreme hardness of the diamond coating. Even the con rod life is lengthened about 50%.

Cooling System
The brand new cooling system has been specifically developed to widen the operating range so that the engine can work well in extremely hot conditions. Furthermore, the new cooling system has been created to guarantee a more consistent tuning in every track condition.

The revolutionary carb features a differently positioned top end needle, rather than a conventional carburetor pointing diagonally upwards. The Reds HCX is horizontally positioned lower down making Reds the only company with this set-up: greater idle stability, more precise tuning, easier access to high speed needle, higher mid/top range power. Reds Horizontal carburetor has been provided with a revolutionary off-set GEN 2 venturi to assure improved fuel mileage and higher torque. The Reds HCX carburetor provides more efficient fluid dynamics for an even greater tuning stability.

Hand Made
The new engine is hand-tuned with a silicone-filled, balanced and tuned crankshaft by M. Rossi. Every single engine is hand inspected and compression checked inside Reds Racing headquarters by Mario and Marco Rossi to achieve the highest quality standards. This is core to the values that makes the WRX different from any other engine brand on the market.

The new cooling head anti-dirt sealing system keeps the engine clean in a critical area between the cooling head and crankcase. The redesigned crankcase provides easier maintenance and a cleaner engine for longer life.


  • Displacement: 3.5
  • Bore [mm] 16,04mm
  • Stroke [mm] 17,32mm
  • Inlet ports: 5
  • Outlet ports: 1
  • Crankshaft: Balanced BLACK DIAMOND DLC Coated
  • Front ball bearing dimension DixDexS: 7x19x6mm
  • Front ball bearing features: rubber seal made in Japan
  • Rear ball bearing dimension DixDexS: 14×25,4x6mm
  • Rear ball bearing features: Swiss made ceramic
  • Carburetor diameter: 7.0mm (6.0 and 6.5 optional)
  • Carburetor: HCX Upgrade
  • Weight: 345g
  • Cilinder system: ABC
  • Exhaust type: rear
  • Recommended Glow plug: REDS T5C or TS3
  • Recommended Exhaust: REDS 2104 + M
  • Recommended fuel: 25-30% nitro, 8-10% oil
  • Break-in fuel: 12% oil
  • Part: ENBU0016
  • Price: $475


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