View Poll Results: will the rims weight affect the dyno numbers ?
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discussion topic: will the rims weight affect the dyno numbers ?
In short, the weight of any rotation mass will have an impact on dyno numbers. From the crank pulley and accesories, to the flywheel/torque converter, to the size of the brake rotors, rear gear, wheels and tires.
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On The Tree
Joined: Mar 2007
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Is that mean that when we decrease the mass of the rotation objects we will have much power on the dyno ?
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Verdad Gallardo I'll put it this way. There is a difference between an engine dyno and a chassis dyno. An engine dyno measures how much power the motor makes at the flywheel, where a chasis dyno measures it at the wheels. A chasis dyno is always lower due to the extra resistance it takes to turn a clutch, driveshaft, rear end, and wheels/tires. Anything that you can do to reduce those loses will get you closer to the engine dyno's number. Typically, you see a 10-20% loss due to drivetrain.
