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Old 04-10-2017, 02:42 PM   #1
FlowMK6
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What do you think of this pulley ?

As the title say, what do you think of this pulley:

https://www.ecstuning.com/b-ecs-part...y/1-07k-008kt/

Would it worth to put this on a manual car ? Does anyone have this ?

I'm about to change the belt, so I might change the pulley at the same time + the tensionner.
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Old 04-10-2017, 03:03 PM   #2
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http://www.uspmotorsports.com/Engine...er-2.0TSI.html
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Old 04-10-2017, 03:06 PM   #3
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Quote:
Originally Posted by bart2278 View Post
OP has a 2.5 golf, that won't fit.

Unfortunately they don't make a fluidampr for the 2.5. Honestly those lightweight pulleys do more harm than good. If they ever come out with a fluidampr for your car get that, but if not then just use your oem pulley.
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Old 04-10-2017, 03:08 PM   #4
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Quote:
Originally Posted by jay745 View Post
OP has a 2.5 golf, that won't fit.

Unfortunately they don't make a fluidampr for the 2.5. Honestly those lightweight pulleys do more harm than good. If they ever come out with a fluidampr for your car get that, but if not then just use your oem pulley.
The link he posted from ecs says its for a 2.5?
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Old 04-10-2017, 03:10 PM   #5
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Originally Posted by mikeleemk6 View Post
The link he posted from ecs says its for a 2.5?
I was talking about the link Bart posted, was a fluidampr for a gti
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Old 04-10-2017, 03:14 PM   #6
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Quote:
Originally Posted by jay745 View Post
OP has a 2.5 golf, that won't fit.

Unfortunately they don't make a fluidampr for the 2.5. Honestly those lightweight pulleys do more harm than good. If they ever come out with a fluidampr for your car get that, but if not then just use your oem pulley.
oh ya my bad. Listen to Jay
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Old 04-10-2017, 03:22 PM   #7
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Originally Posted by jay745 View Post
I was talking about the link Bart posted, was a fluidampr for a gti
True that. They arent the same thing posted in op and the fluid damper?
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Old 04-10-2017, 03:23 PM   #8
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Originally Posted by mikeleemk6 View Post
True that. They arent the same thing posted in op and the fluid damper?
No they are definitely not the same.
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Old 04-10-2017, 03:27 PM   #9
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I would consider a lighter pulley but not an under-driving one.
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Old 04-10-2017, 03:34 PM   #10
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Quote:
Originally Posted by mikeleemk6 View Post
True that. They arent the same thing posted in op and the fluid damper?
The fluidampr is actually heavier than an OEM pulley and filled with silicone. It's purpose is to balance out the harmonics of the engine, makes things feel smoother and you free up some extra power because of it. It's also the same diameter as the OEM pulley.

An underdrive pulley is a smaller lightweight pulley. You have less rotational mass and its a lighter weight. I think different motors respond to these types of pulleys differently, but if I remember right they can actually mess up the motors harmonic balance and add extra wear to the car.

A fluidampr absorbs unwanted vibrations, but an underdrive pulley will likely do the opposite.
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