момент увеличится, но лошадиные силы

в пендосовской книжке есть замер на их тупере со сток и легким шкивом:

1. ставили "ортодоксальный"
2. лошади: 173\7700 против 177\7700 - разница заметна от 70-ти миль до 85. очень слабо заметна
3. крутящий момент: 123\7400 против 125\6200 - разница отчётливо видна с 65 миль до85

написано в пояснениии, что максимальный приход от отсутствия паразитной нагрузки после 7000 рпм

Every time the cylinders fire, torque is imparted to the crankshaft. The crankshaft deflects under this torque, which sets up vibrations when the torque is released. At certain engine speeds the torques imparted by the cylinders are in synch with the vibrations in the crankshaft, which results in a phenomenon called resonance. This resonance causes stress beyond what the crankshaft can withstand, resulting in crankshaft failure.
To prevent this vibration, a harmonic balancer is attached to the front part of the crankshaft. The damper is composed of two elements: a mass and an energy dissipating element. The mass resists the acceleration of the vibration and the energy dissipating (rubber/clutch/fluid) element absorbs the vibrations.
Additionally the energy transferred from the piston to the crankshaft can induce as much as 2 degrees of twist in the crankshaft, which has many follow-on effects on all engine elements that require adequate timing such as valve opening, cam timing, ignition timing etc.
Over time, the energy dissipating (rubber/clutch/fluid) element can deteriorate from age, heat, cold, or exposure to oil or chemicals. Unless rebuilt or replaced, this can cause the crankshaft to develop cracks, resulting in crankshaft failure.
Performance enthusiasts have been known to remove harmonic balancers, usually when the balancer is attached to the crank pulley, deciding that they aren't necessary and their mass reduces the performance of the engine. However, this is unproven and potentially very risky because the danger of damage to the engine from the vibrations the damper is intended to prevent is too high.

dissector Просто вы смотрите тока старт с холостых там да, тяжелый маховик не позволит так просто заглохнуть но момент он не повышает )