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Nitro Gear And Axle 2

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The new 4.10 gears being installed are about 11 percent larger than the original 3.73 gears. This means if the motor used to spin at 1500 RPM at 65 mph it will now spin at about 1665 RPM. This is just enough to give us a bit more usable pulling power without sacrificing fuel mileage at cruising speeds.