[FRSBRZGT86FAN]

Originally Posted by FRSBRZGT86FAN

Also important note when you under drive the pulleys to the alternator and water pump, you gain a little bit of power but you sacrifice the performance of those accessories. You have less power coming out of the alternator and slightly less flow from the water pump.

Originally Posted by 86TOYO2k17

There are about 100 threads discussing this. I’ll give you the basic run down.
Ppl say it’s pointless.
Ppl say they can feel a big difference on butt dyno.
Ppl say subaru/Toyota say stock pulley has a balancer/dampener.
Ppl say stock doesn’t have a balancer/dampener.

Then the people with half a brain have researched and done the math/physics calculations to essentially prove its pointless, as well as stock does have a dampener ring on it.

Fluidampr Pulley can potentially reduce high rpm vibration/frequency especially the more none stock you are the more beneficial it potentially can be.
And oversized/underdriven accessory pulleys can free up close to 2hp.

Now you have at least 90% of all the information from 1000s of posts about this subject.

It wouldn't let me edit my post but also for the price of some of these crank and accessory pulley kits, you can easily get an OFT tune instead.