CLK-Class (W208) 1998-2002: CLK 200, CLK 230K, CLK 320, CLK 430 [Coupes & Cabriolets]

At last...the UD pulleys installed!

Old Feb 19, 2003 | 09:30 PM
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'03 G500, '11 S550 4Matic, '12 SL63 AMG, '13 ML350, '16 AMG GTS Ed. 1
At last...the UD pulleys installed!

Got my car back today with fresh oil, new speakers all around, new sub and the UD pulleys and am I having fun! A more spirited acceleration and very strong pull...relatively speaking of course for you s/c'd folks! A real blast at 3000+ rpm's!

Thanks Evosport! Now when the snow stops I'll get the Carlsson suspension swapped out and new tires!
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Old Feb 19, 2003 | 09:33 PM
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Re: At last...the UD pulleys installed!

Originally posted by brianw430
Got my car back today with fresh oil, new speakers all around, new sub and the UD pulleys and am I having fun! A more spirited acceleration and very strong pull...relatively speaking of course for you s/c'd folks! A real blast at 3000+ rpm's!

Thanks Evosport! Now when the snow stops I'll get the Carlsson suspension swapped out and new tires!

Theine and Brian, please post long-term updated with the under-driven pulleys. Thanks!
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Old Feb 19, 2003 | 10:34 PM
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Re: Re: At last...the UD pulleys installed!

Originally posted by Arnee
Theine and Brian, please post long-term updated with the under-driven pulleys. Thanks!
ive probably got 5000 miles on my car since i got the UD pulleys....
no comments, good HP increase, and its still there, same as the day i got them put on, no problems, no issues with warranty from MB, etc...

im happy...
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Old Feb 20, 2003 | 01:07 AM
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How much is the UD pulley cost? who makes them?
Can you feel the difference in the acceleration?
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Old Feb 20, 2003 | 06:24 PM
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originally posted by Arnee
Theine and Brian, please post long-term updated with the under-driven pulleys. Thanks!
Unfortunatelly, I can't give you long term results, I have mine installed on 1/3/03 and have put only 538 miles to my car with them. So far, so good!!!

originally posted by frappe
How much is the UD pulley cost? who makes them?
$499 @ www.evosport.com
Yes, you can feel the difference in the acceleration, and more if you add performance air filters like K&N or itg and a performance exhaust like eisenmann or AMG

Last edited by theine; Feb 20, 2003 at 06:39 PM.
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Old Feb 20, 2003 | 09:25 PM
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You can feel the difference in acceleration from dead stop, but I really haven't had much time to test the upper ranges.

Frappe, Evosport is a board sponsor and they sell them on their website for $499. It takes about 3 hours to install and your mechanic needs to have a "certain" pulley kit to remove the power steering pulley.
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Old Feb 20, 2003 | 11:49 PM
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Thanks theine and brianw430.....
I might get it in the future. I'm not really into speed
a stock 430 is good enough for me

Last edited by frappe; Feb 20, 2003 at 11:51 PM.
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Old Feb 21, 2003 | 03:18 AM
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with the pulley kits, has anyone experienced problems with their batteries charging or any other alternator problems?
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Old Feb 21, 2003 | 05:26 PM
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Originally posted by DMan
with the pulley kits, has anyone experienced problems with their batteries charging or any other alternator problems?
no problems at all here, and i am running an aftermarket 700 watt amp to a subwoofer, still with no problems...
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Old Feb 21, 2003 | 09:37 PM
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Is it true that the UD pulleys don't show real performance differences unless you upgrade from your stock exhaust?
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Old Feb 21, 2003 | 09:48 PM
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The ud pulleys alone will put 13 HP at the wheels.
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Old Feb 21, 2003 | 10:33 PM
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Originally posted by Adonis
Is it true that the UD pulleys don't show real performance differences unless you upgrade from your stock exhaust?
My guess is a shop that doesn't make (and probably doesn't understand) UD pulleys told you this? They will work regardless of what modifications you do or do not do. All they do is make reduce the amount of energy that the engine is wasting on the accessories, freeing up that power to be used at the wheels (where it belongs). This really is the easiest, least risk, hp upgrade for your car. It does not affect the engine in any way, it only takes power (that already exists), and adds it to the wheels.

Call me if you'd like. I'd be happy to explain in detail how they work.

Thanks,

Ben


PS

Exhaust is probably the least worthwhile (in terms of HP) upgrade for your car.
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Old Feb 24, 2003 | 09:29 PM
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Do UD Pulleys (not to be confused with larger crank pulley) work just as well for Supercharged cars?
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Old Feb 24, 2003 | 09:36 PM
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It depends on the supercharger. They do work, but gains may be less, as the supercharger becomes the part that requires the most effort to spin, not the accessories.
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Old Feb 25, 2003 | 10:28 AM
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I must say I am really surprised at what a difference the UD pulleys make. I now know what ~13 hp at the wheels feels like. The acceleration is much more crisp and clean and it makes me grin when it touch the gas!
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Old Feb 25, 2003 | 02:08 PM
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hey ben, is there a wait for the pulley or does evosport have it in stock?

-mark
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Old Feb 25, 2003 | 04:48 PM
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originally posted my Mark D.
hey ben, is there a wait for the pulley or does evosport have it in stock?
Just pick up the phone and call Ben to order.
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