From results posted, the reduced weight crankshaft pulley shows up as a gain on the dyno.
And apparently the lighter weight driveshaft does too, if we are indeed around 17% loss vs. 20%. That claim is speculative of course as you can't prove it (unless you would actually change the driveshaft).
So why not for the wheels/tires/rotors?
Here is the part that boggles me. If all four corners are reduced in weight, and you do see a gain at the dyno, would the gain actually be MORE because you can't dyno the front?
If the answer was yes I would be shopping right now for lighter weight tires, rotors, and wheels.
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