best harmonic balancer?
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when you go to an underdrive pulley, you are putting a smaller pulley on the crank, and it allows more vibrations.
once you start spinning to higher rpm's, you need more vibration control, which you cant accomplish with a smaller pulley smaller pulley.
the ATI balancer is a dampener....you will see more power gains from proper balancing than you will from underdriving....to a point that most people will see more power from the ATI standard size dampener than they will from an underdrive pulley...
there's a reason the ATI pulley is $450 and the SLP is only $250
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Yeah, you can't go wrong with the ATI.
The Fluidampr is a very good unit-it's even sold over the counter at GMPP.
However, over like 6,500 RPM, the ATI will damp the crank harmonics better. Fluidampr will even tell you this and advise you to use a ATI for higher RPM applications. Very respectful of a company to tell you to use their competitors product.
Yeah, you can't go wrong with the ATI.
The Fluidampr is a very good unit-it's even sold over the counter at GMPP.
However, over like 6,500 RPM, the ATI will damp the crank harmonics better. Fluidampr will even tell you this and advise you to use a ATI for higher RPM applications. Very respectful of a company to tell you to use their competitors product.
once you start spinning over 6500, or once you start making more than 800 flywheel horsepower....
either way, the ATI the best choice...
I'm going to be transplanting everything into a Lightweight Foxbody Mustang... O.o
but here is a picture of how it was before I pulled it out to prep for the Mustang.








