REDS M7 WCX Pro Tuned engine by Mario Rossi


REDS Racing have introduced the new M7 WCX Pro Tuned 3.5cc nitro engine for 1/8th on-road cars. REDS have developed and tested the M7 WCX Pro Tuned engine with their team drivers and distributors for over a year. The WCX Pro is based on M7 WCX engine with a further handmade preparation to the sleeve and crankshaft to obtain improved fluid dynamics efficiency. Furthermore, the Italian company have modified timing to improve the engine. The engine is totally hand inspected and tuned by Mario Rossi in person. It has been specifically developed for people looking for the same speed and specs wanted by a Pro Factory Team driver.


  • Category: 1/8 on road
  • Displacement: 3,5 cm3
  • Bore: 16,04 mm
  • Stroke: 17,32 mm
  • Weight: 310 g
  • Front ball bearing: 7x19x6 – rubber seal – made in Japan
  • Rear ball bearing: 14×25,4×6 – hybrid ceramic – made in Switzerland
  • Carburetor: 2 needle setting 9.0 (8.0, 8.5 optional)
  • Crankshaft: DLC Coated, tuned fluid dynamics and timing
  • Sleeve: 7 inlet ports, 3 outlets ports, tuned fluid dynamics and timing
  • Backplate: DLC Coated
  • Glow plug: TS7
  • Hard Tuned and Assembled by Mario Rossi
  • Recommended exhaust: EFRA 2113 + M manifold

Source: REDS Racing