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Unorthodox Racing Pulley Question

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Old 03-21-2012 | 08:02 PM
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UIHawkeyeZ's Avatar
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Default Unorthodox Racing Pulley Question

I'm sorry. i'm sure this subject has been beaten to death - but i couldn't find an exact match in searching.

So I am considering a set of Unorthodox Racing Pulleys for my Z (04 Touring, 6 speed) .. i've heard different things - such as these are bad for the internals - they put a higher draw on the alternator ...

I guess I just want some opinions. I have the opportunity to buy the set of three brand new for a great price. Anyone use these, good experiences, bad?

my only mod at this point is a JWT clutch/lightweight flywheel.
Old 03-21-2012 | 08:59 PM
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just get the "stock" size one for the lightweight benefit.
Old 03-21-2012 | 09:13 PM
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No need for the idler pulley, just remove it completely.
Old 03-21-2012 | 09:32 PM
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Never heard of it. How long has it been out?
Old 03-21-2012 | 10:35 PM
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ask hueyja want brand he recommends
Old 03-22-2012 | 01:15 AM
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i recommend the UR pulleys. i have them and so do several of my friends.
Old 03-22-2012 | 11:30 AM
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I had a set of these on my 350z, I guess through hitting the throttle a lot, it notched the pulley at the key hole and oil began pushing through the hole... I am not saying it blew my motor, but I am not saying it didn't... I actually made a nice desk ornamant out of the crank and alternator pulleys though!!
Old 03-27-2012 | 12:50 PM
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Any venders sale just the belts
For the UR pulleys? Mines are about
To go!?
Old 03-27-2012 | 01:13 PM
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Any venders sale just the belts
For the UR pulleys? Mines are about
To go!?
Old 03-27-2012 | 01:18 PM
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^check your local auto parts store...im pretty sure Unorthodox usually provides you with part numbers for the required belts when you buy them...look on the instructions or contact UR directly.
Old 03-27-2012 | 01:23 PM
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Originally Posted by RaaW350z
Any venders sale just the belts
For the UR pulleys? Mines are about
To go!?
Here you go lazy pants lol:

This is the PDF for install instructions on an 08 so just go to the main page to find what instructions you need for the correct year

http://www.unorthodoxracing.com/guides/041002812.pdf

New Belt Size (UR sells Gates belts at www.unorthodoxracing.com, just enter the part# into the Search By Part# field)
• Gates K070810.
* B e l t s w i l l s t r e t c h i n t h e f i r s t f e w d a ys o f u s e , s o s q u e a l i n g m a y o c c u r . T h e y m u s t b e r e - t e n s i o n e d
i m m e d i a t e l y a s p r o l o n g e d s q u e a l i n g w i l l d a m a g e p u l l e y voi d i n g t h e w a r r a n t y .
Belts must be changed after every two years as rubber may harden enough to cause damage to the pulley.
Keep the receipts of belt purchases as they are required in case of any warranty claims sent to UR.
Tech Support Call 949.4.PULLEY (478-5539)
Old 03-28-2012 | 06:11 AM
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Always happy to help. If you have other questions please do not hesitate to waste my time.
Old 03-31-2012 | 08:28 AM
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Originally Posted by Classy
I had a set of these on my 350z, I guess through hitting the throttle a lot, it notched the pulley at the key hole and oil began pushing through the hole... I am not saying it blew my motor, but I am not saying it didn't... I actually made a nice desk ornamant out of the crank and alternator pulleys though!!
The only way that can happen is by not properly applying the correct torque to the crank bolt.
Old 03-31-2012 | 08:32 AM
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Originally Posted by RaaW350z
Any venders sale just the belts
For the UR pulleys? Mines are about
To go!?
underdrive 350z

Alternator, Power Steering and Idler Belt - Gates K060441
Air Conditioning Belt - Gates K040347

stock size 350z

Alternator, Idler & Power Steering – Gates K060465
Air Conditioning – Gates K040372

as mentioned just go to any auto parts place that sells gates belts or buy from UR directly.

Last edited by ilustrius9; 03-31-2012 at 08:33 AM.
Old 06-12-2013 | 04:05 PM
  #15  
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Bump from the dead!

Belts as shown below. What if the idler pulley is removed? The belt 1 shorter for the alternater/Powersteering?
Old 06-12-2013 | 09:30 PM
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Under drive pulley with idler removed 430k6 is what is on my car
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