REDS 721 Scuderia Gen4 Pro 3.5cc (.21) Off-Road Nitro Engine Combo w/2143+M Exhaust Pre-Break In Service by Mario Rossi
About this part
721 Scuderia Gen4 Pro Nitro Engine Overview:
Experience the pinnacle of RC racing with the REDS 721 Scuderia PRO Gen 4, a state-of-the-art 3.5cc off-road engine meticulously engineered to enhance performance on the track. At the heart of its exceptional performance is REDS revolutionary 3 needle carburetor, exclusive to the Gen 4 Scuderia engine. This innovative carburetor not only enables superior tuning in diverse conditions but also guarantees a consistently linear power delivery. Equipped with a special sealing ring, the carburetor enhances both sealing and tuning stability, ensuring optimal performance every time.
Adding to the high-quality components are features like a double seal front bearing designed for heightened durability and idle stability, a REDS 9 balls rear ceramic bearing that elevates overall performance, and a fuel-efficient design that significantly reduces fuel consumption. The engine's long-stroke geometry, 7 scavenger ports, and a single exhaust port cylinder sleeve collaborate with the crankcase to deliver enhanced low-to-middle-range torque, positioning the Scuderia as one of the fastest engines globally. The DLC coated crankshaft and backplate contribute to unparalleled durability, extending the engine's lifespan. Meticulously hand-tuned by M. Rossi, each engine undergoes individual inspection and compression checks at REDS headquarters, showcasing a commitment to excellence that sets REDS engines apart from competitors. Elevate your racing experience with the REDS 721 Scuderia PRO Gen 4, where innovation seamlessly meets precision on the racing track.
Features:
- Double Seal Front Bearing: Engineered for heightened durability and idle stability, the high protection double seal front bearing is a testament to the engine's robust design.
- REDS 9 Balls Rear Ceramic Bearing: Elevating durability and reliability, the rear ceramic bearing with 9 balls enhances overall performance.
- Fuel-Efficient Design: The 721 Scuderia Pro Gen 4 is a high-torque engine crafted to significantly reduce fuel consumption, extending runtime and positioning it as one of the fastest engines globally.
- DLC Coated Crankshaft and Backplate: Unparalleled engine durability with a DLC-coated crankshaft and backplate, extending the lifespan by approximately three times that of conventional steel crankshafts.
- Hand-Tuned Excellence: Meticulous hand-tuning by M. Rossi, including a silicone-filled, balanced, and tuned crankshaft, exemplifying Reds Racing's commitment to setting their engines apart from competitors.
Specifications:
- Displacement: 3.5cc
- Bore: 16.2mm
- Stroke: 16.9mm
- Inlet ports: 7
- Outlet ports: 1
- Front ball bearing: 7x19x6 dual seal
- Rear ball bearing: 14x25.4x6 Ceramic
- Carburetor diameter: 7.0mm (6.0, 6.5, 7.5, 8.0 optional)
- Carburetor: CG3 GEN1 Aluminum 3 needle
- Weight: 345g
- Fuel consumption: > 9:00
- Engine temperature: 110-130°C
- Recommended Glow plug: REDS TS4
- Recommended pipe: REDS 2143 + M or XONE Torque
- Recommended fuel: 16-30% nitro, 8-9% oil
- Break-in fuel: 12% oil
Includes:
- (1) Reds Racing 721 Scuderia PRO Gen 4 Engine Pre-Broken in by Mario Rossi
- (1) 2143+M Exhaust Pipe
CA Residents Prop 65 Warning
WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov Details...Reviews3.5 · 2 reviews
this was my first reds engine, thogh ive been racing nitro off road for 20 years.i have owned many engines over the years both novarossi and o.s based engines .. this reds engine with the mario rossi pre break in is really finicky with tuning.. i mean really finicky ..i had it in my new tekno truggy and after break in and one race day and one practice day ive decided to scrap the project .stings a bit considering the cost..
I have been using this motor for a while now and it has been a solid choice. The performance is smooth and consistent. Fuel economy simply incredible!!