Murnan Modified Motors
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Novarossi ISON Drag Engine
Latest News
  • McGinty dominates RC Pit March Madness race.
  • RBM5X is now available!
  • RBM5X. 9901/41021 pipe 6mm insert.
  • Cole Ogden, and Ryan Lopez make the show at the Southern Nats
  • Chandler Elliott Wins Pro Truggy at the Rev It Up Race in Florid
  • Murnan Modified Motors

    Welcome Guest! Would you like to log yourself in? Or would you prefer to create an account? Murnan Modified Motors has invested many years researching, and making 2 stroke glow engines perform beyond their expected limits for top level racers around the world.

    We have spent many years working with, and understanding how to make the finest racing engines in the world like Novarossi, RB Concept, Sirio, and too many more to list go faster. This is done through feedback from top level racers, as to what they need in an engine of engines! Each engine design also goes through stringent Dynamometer testing to make sure the new design is more powerful than the stock engine design. Then the track testing is done by our team to insure you get the fastest, most long lasting, most fuel efficient modified engine designs available in the world today. Each engine goes through an extensive modification process.  [read more]

    News and Information
    McGinty dominates RC Pit March Madness race.
    John Michael McGinty TQ's and wins RC Pit March Madness race.
    [Read More]
    RBM5X is now available!
    .21 Off Road Powerhouse!
    [Read More]
    RBM5X. 9901/41021 pipe 6mm insert.
    [Read More]
    Cole Ogden, and Ryan Lopez make the show at the Southern Nats
    Team Drivers Cole Ogden, and Ryan Lopez make the A main at the Southern Nationals.
    [Read More]
    New Products

    Novarossi ISON Drag Engine

    RBM3X 11.9mm Ceramic Rear Bearing

    RBM3X front steel bearing 7x18x5

    RB CXR wrist pin clips

    RB Concept CXR .21 Ceramic Rear Bearing 14.5mm

    Murnan Modified OS XZB .21

     Upcoming Products   Date Expected 
     Murnan Modified RBM3X   08/01/2014 
    You can send new engines to the following address for modification.
    Murnan Modified Motors
    1679 Elmwood Drive
    Austell, GA 30106

    The price is $150 per engine.
    We accept Credit Cards, Paypal, Money Orders.
    Please send Paypal payments to
    Please allow 2-3 weeks for return of modified engine, unless other arrangements are made.

    Murnan Modified Motors: Each engine is modified using extremely precise machinery, and then finished by hand. Balancing the crankshaft is essential for a long lasting smooth running high revving engine that sings that special note at the end of a long back straight. After the crankshaft is lightened, modified, and balanced the surfaces are finished, and a silicone fuel ramp is added to each crankshaft if necessary. This hand finishing insures the highest quality engines are produced. Cylinder port timings are modified when necessary. There are too many other modifications done to each engine to list here. These modifications give Murnan Modified engines unmatched acceleration, top speed, and ease of use.

    Each modified engine is assembled by hand with the most use of care, and inspection. This is why Murnan Modified engines have the reputation of being the best in the world. This is why top drivers from around the world choose to race with Murnan power!!!

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    Designated trademarks and brands are the property of their respective owners.