Uuc Underpulleys - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 12-09-2004, 11:05 PM
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I'm looking at getting some UUC Underpulleys for 185. anyone have these? price worth the gain?

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#2 (permalink) Old 12-09-2004, 11:09 PM
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Didn't Umnitza have a deal on this a month or two back for $50-$60 less? I think you can do better on the price.

I bought the turner kit
little more expensive
very lowkey (looks like stock pullies)
can underdrive alternator
freer reving, and noticed gains from 2k-4K

Hopes that helps

1996- BMW 328IS
<img src='http://img.photobucket.com/albums/v242/gws226/TEX/neverleanedsig.jpg' border='0' alt='user posted image' />
Performance: Zimmerman Cross Drilled Rotors-- PBR Deluxes-- Cosmos CAI---- Turner Pulley Kit--- Fan Delete mod---
Beauty: 18 polished M-Parallel replicas, Inpro Euros w/ Enchanced Angel eye kit, 20% tint
Clear corners/sidemarkers ---- Eurospec (Depos)

To do list:
Suspension--- researching
UUC System U TDM- 3/05
M50 manifold converstion 3/05
off to the tuning shop for custom software 4/05
Cams/lightened flywheel, throttlebody........ well lets see what happens
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#3 (permalink) Old 12-10-2004, 12:44 AM
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I have the UUC underdrive pulleys. I don't really know if they made a significant HP gain alone because i did the fan delete at the same time. However, doing both i can definitely feel more HP and throttle response has increased significantly. My car pulls a lot harder, throw yourself back in the seat feeling, above 2500 rpms. I'd recommended it. Very easy DIY especially if you already have the fan off.

<img src='http://memimage.cardomain.net/member_images/9/web/741000-741999/741934_9_full.jpg' border='0' alt='user posted image' />
JC Chip * Cosmos Racing CAI * UUC System U * UUC Underdrive Pulleys * Fan Delete * UUC Sachs Stage 4 Suspension * Sway Barbarians * Racing Dynamics Front strut bar * X-Brace * Front Camber Plates * UUC TME * BBS 18x8.5 * 235/40/18 Yokohama AVS Sport * F&amp;R Zimmerman X-Drilled Rotors * SS Brake Lines * Rouge RSM w/enforcers * Clears all around * SilverStars * Pioneer Avic N-1 * Pioneer 6 Disc Changer * JL 450/4 and 1000/1 Amplifiers * 2 JL 12&quot; W6V2 * Diamond Audio Hexs 6.5&quot; in kick panel * MB Quart Premiums 4&quot; in Rear * Infinity Kappa 3.5&quot; in door * Batcap 400 * Optima Yellow Top
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#4 (permalink) Old 12-10-2004, 08:09 AM
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my pulley's need replacing. I was thinking about doing the fan delete and underdrive kit at the same time.

Has anyone used the fan delete kit fron understeer?
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#5 (permalink) Old 12-10-2004, 09:33 AM
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I was looking at TMS pullies, but they're like $300 if I remember right... I'm about to look into UUC.

And I have a pretty powerful sound system, so I didn't think I could underdrive the alternator, but TMS offers a special pully for alternators with a sound system on it, does UUC?

Also does anyone know any good DIYs for a fan delete mod? I've seen one or two, but they're not very good.

Followup Edit: I just read the entire UUC site. They don't underdrive the alternator, so my system isn't going to be affected.
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#6 (permalink) Old 12-10-2004, 10:05 AM
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I bought all my UUC stuff and the fan delete kit from understeer.com, they also have a great DIY on the fan delete mod. Chris is a really good guy and will do all he can to help you out. Plus, almost all stuff from UUC ordered through understeer has free shipping. If you do the fan delete it's probably a good idea to replace the plastic thermostat housing to the aluminum housing.

<img src='http://memimage.cardomain.net/member_images/9/web/741000-741999/741934_9_full.jpg' border='0' alt='user posted image' />
JC Chip * Cosmos Racing CAI * UUC System U * UUC Underdrive Pulleys * Fan Delete * UUC Sachs Stage 4 Suspension * Sway Barbarians * Racing Dynamics Front strut bar * X-Brace * Front Camber Plates * UUC TME * BBS 18x8.5 * 235/40/18 Yokohama AVS Sport * F&amp;R Zimmerman X-Drilled Rotors * SS Brake Lines * Rouge RSM w/enforcers * Clears all around * SilverStars * Pioneer Avic N-1 * Pioneer 6 Disc Changer * JL 450/4 and 1000/1 Amplifiers * 2 JL 12&quot; W6V2 * Diamond Audio Hexs 6.5&quot; in kick panel * MB Quart Premiums 4&quot; in Rear * Infinity Kappa 3.5&quot; in door * Batcap 400 * Optima Yellow Top
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#7 (permalink) Old 12-10-2004, 10:16 AM
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When we change the pulley, do we need to change the belt?
Would the stock belt fit for the underdrive pulley?

thanks in advance
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#8 (permalink) Old 12-10-2004, 12:05 PM
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not sure if you "have to" replace the belts. The increase pulley size is marginal so the tensioner could probably handle it.

Im pretty sure all the kits come with belts though.

I paid $250 for the turner kit.

1996- BMW 328IS
<img src='http://img.photobucket.com/albums/v242/gws226/TEX/neverleanedsig.jpg' border='0' alt='user posted image' />
Performance: Zimmerman Cross Drilled Rotors-- PBR Deluxes-- Cosmos CAI---- Turner Pulley Kit--- Fan Delete mod---
Beauty: 18 polished M-Parallel replicas, Inpro Euros w/ Enchanced Angel eye kit, 20% tint
Clear corners/sidemarkers ---- Eurospec (Depos)

To do list:
Suspension--- researching
UUC System U TDM- 3/05
M50 manifold converstion 3/05
off to the tuning shop for custom software 4/05
Cams/lightened flywheel, throttlebody........ well lets see what happens
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#9 (permalink) Old 12-10-2004, 01:01 PM
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Quote:
Originally posted by pcy@Dec 10 2004, 08:16 AM
When we change the pulley, do we need to change the belt?
Would the stock belt fit for the underdrive pulley?

thanks in advance
[snapback]247292[/snapback]
YES you have to replace the belt. I'm not sure if the stock belt would fit, but why risk it? The water pump pulley is a little larger, but the power steering pump is the biggest difference. Most pulley kits come with new belts anyway. If you're still looking into the UUC pulleys from understeer they come with a new belt and a new AC belt.

<img src='http://memimage.cardomain.net/member_images/9/web/741000-741999/741934_9_full.jpg' border='0' alt='user posted image' />
JC Chip * Cosmos Racing CAI * UUC System U * UUC Underdrive Pulleys * Fan Delete * UUC Sachs Stage 4 Suspension * Sway Barbarians * Racing Dynamics Front strut bar * X-Brace * Front Camber Plates * UUC TME * BBS 18x8.5 * 235/40/18 Yokohama AVS Sport * F&amp;R Zimmerman X-Drilled Rotors * SS Brake Lines * Rouge RSM w/enforcers * Clears all around * SilverStars * Pioneer Avic N-1 * Pioneer 6 Disc Changer * JL 450/4 and 1000/1 Amplifiers * 2 JL 12&quot; W6V2 * Diamond Audio Hexs 6.5&quot; in kick panel * MB Quart Premiums 4&quot; in Rear * Infinity Kappa 3.5&quot; in door * Batcap 400 * Optima Yellow Top
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#10 (permalink) Old 12-10-2004, 07:34 PM
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I'm also interested in getting some underdrive pulleys. I have a stock audio system, and am looking into both UUC pulleys, I like their low price, but they dont under drive the alternator. TMS pulleys seem good also, but are expensive but run the alternator. Im also curious, they say that it reduces the cars systems by 10-20%.. The power steering pump, water pump, and on some kits, the alternator. Have any of you experienced any problems in any of the water pump and or power sterring systems because of the underpulleys? If any of you have more feedback on your experience im always listening. Thanks in advance.
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#11 (permalink) Old 12-11-2004, 02:29 PM
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i have the UUC pulleys and the fan delete kit but i put them on sepertly. The pulleys help the engine rev faster and gives Hp troughout the power band. I have not noticed the differnence with the power steering after i put the pulleys on, its not harder to steer. I also recomend understeer.com because he ships the items fast and just like YoungExec728 said, he is a cool guy that whats to help. good luck

<img src='http://img.photobucket.com/albums/v206/silver328is/bmwlogosigcopy.jpg' border='0' alt='user posted image' />
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#12 (permalink) Old 12-11-2004, 04:01 PM
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Quote:
Originally posted by YoungExec728@Dec 10 2004, 10:05 AM
I bought all my UUC stuff and the fan delete kit from understeer.com, they also have a great DIY on the fan delete mod. Chris is a really good guy and will do all he can to help you out. Plus, almost all stuff from UUC ordered through understeer has free shipping. If you do the fan delete it's probably a good idea to replace the plastic thermostat housing to the aluminum housing.
[snapback]247287[/snapback]
yeah i really like that site, i want to get pulleys and do the fan delete in the future, sound like a plan

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