Quote:
Originally Posted by 86TOYO2k17
Short answer, they are nonsense.
Longer answer, In neautral it will rev up to redline and freefall down to idle each about a 1/5th sec faster. However once you apply the rest of the drivetrain in gear. It’s practically zero gain. People have broken down the math and it’s basically the equivalent of 1/8th hp, with it diminishing more and more with higher speeds and higher gears.
The main gain is just the static overall weight loss from the vehicle.
Now as I’ve outlined in earlier posts underdriven accessories can add a little bit of gains.
And the fluidampr crank pulley being a much better dampener then stock especially in the 4000k+ range (where vibrations are most dangerous) has been shown on numerous tests on various platforms to actually add some HP/torque in the 4K+ hp range. Vibrations cause energy loss (HP/torque) through generation of heat. So in theory reducing vibrations should cause less energy loss through heat resulting in more power being able to pass through the drivetrain to the wheels. Even if in practice this doesn’t help much in gains still seems like it’ll make the engine run safer. Most people note much smoother quieter engines at idle.
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vibrations are absolutely meaningless in a non forced fed 2 liter vehicle. Even subaru states the engines are internally balanced, so you don't have to worry about it unless you add a turbo or supercharger. This is not an old school big block v8.