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  1. #1
    Just A Few Bucks!! Gj#6's Avatar
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    R&D’s C1 Monster Compressor Wheel

    R&D’s C1 Monster Compressor Wheel Kit for Yamaha SHO engines will deliver “horsepower you can feel” with instant throttle response, improved mid range acceleration, and increased top end performance. The R&D Monster Wheel replaces the stock wheels inefficient 5 blade design with a modern low profile, high flow 7 blade w/splitter design. The R&D Monster Wheel will deliver 2.5 pounds of boost pressure with a 1.5-2.0 pound per minute airflow gain. The R&D C1 Monster Wheel fits directly into the O.E.M. stock compressor housing for a “no modifications” bolt on and go part. The C1 Monster works with the O.E.M. intercooler and the R&D Intake CFM Kit (pt# 612-18000), and performs well on 91 octane pump gasoline. Boost rated 6/8 P.S.I. (6 @ 7400 and [email protected])
    • Better throttle response, increased horsepower
    • Increased boost pressure ( 2.5-3 over stock @ 7600 rpm)
    • Increased airflow (1.5-2 pound per minute gain)
    • 15 Plus horsepower increase and 2 MPH Gain
    • Precision balanced (turbo specs .012-.027 gram inches)
    • Utilizes O.E.M. intercooler
    • 91 octane pump gas friendly
    • Ultra easy installation
    • Inexpensive horsepower upgrade
    NOTE: The R&D C1 Monster Compressor Wheel delivers a 1.5-2.0 pound per minute airflow gain (approximately 15-20 horsepower at sea level). The C1 Monster Wheel will work best in sea level to 2000 ft. elevations, or in ambient air temperatures between 60 and 100 degrees. For high altitude situations (such as Denver, Colo.) or high heat conditions (above 100 degrees), R&D suggests moving up to the C2-C4 range of Monster Wheels and upgrading to the R&D High Performance Intercooler Core Kit. Air density is greatly influenced by heat and altitude combinations. In conditions where the air becomes less dense, power will be lost. R&D offers a range of compressor wheels that will allow the engine tuner to compensate for air density losses with a range of compressor wheels with increased blade tip height and increased inducer sizes, all with increased air flow volumes rated in pounds per minute. Trust the pros at R&D to boost up your airflow volume, after all, its airflow volume gains that increase horsepower.
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  2. #2
    345 Yamaha Killa's Avatar
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  3. #3
    the ECU doesn't kill the gains?

  4. #4
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    I was told the primary purpose for these is when the temperature goes up, or you go up in altitude....you won't lose any performance.
    So if your running 70mph when its 70deg out, and you want to go out when its 115deg out, you just drop in the wheel, and your still at 70, instead of 65 or less.
    The ECU will compensate.

  5. #5
    Quote Originally Posted by iflyems View Post
    I was told the primary purpose for these is when the temperature goes up, or you go up in altitude....you won't lose any performance.
    So if your running 70mph when its 70deg out, and you want to go out when its 115deg out, you just drop in the wheel, and your still at 70, instead of 65 or less.
    The ECU will compensate.
    I'm sure that nobody here would even think of using these at low altitudes and in cooler temps

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