S55 AMG, S65 AMG , S63 AMG (W220, W221) 2001 - 2013 (Two Generations)

VRP Performance Pulley Kit 175MM (SL55)

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Old Apr 5, 2010 | 08:10 PM
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M-B 2003 SL55 AMG
VRP Performance Pulley Kit 175MM (SL55)

VRP Performance Pulley Kit 175MM (SL55)
I have a brand new,never installed,175MM VRP pulley.(purchased for my 2004 SL55)

It is the 2 piece version.Kit has crank pulley,alternater pulley,and crank bolt.

I am afraid to install it,since the installation may void my warranty.

Cost over $1200.I will sell for $750,(before I change my mind & install it) .
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Old Apr 6, 2010 | 12:46 PM
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VRP.... good luck on sale
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Old Apr 6, 2010 | 06:39 PM
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What kind of extra power will this make?

I just got a SL55 wiyh 1400 miles on it.
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Old Apr 6, 2010 | 07:09 PM
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M-B 2003 SL55 AMG
VRP claims 465rwhp and 512rwtq for their VR550, which consists of a pulley + ECU tune. If an 18% drivetrain loss that would equate to 567 hp and 624 ft lbs tq.

Pulley alone will increase boost by 3 #.

Sounds like you have a great new ride.
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Old Apr 7, 2010 | 03:06 AM
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vrp lol
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Old Apr 7, 2010 | 09:04 AM
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'03 SL55
Originally Posted by Viet_Amg408
vrp lol
It's poor etiquette to crap on another forum member's for sale thread. The man has a VRP pulley and is representing it truthfully and honestly. It's not like he's claiming his pulley is something that its not.

On top of that although the company VRP did not succeed its founder, Victor Ruscitto, was one of the earliest 55K engine modders and a terrific contributor to this forum. Just do a search for VRUS sometime and see all the great information that pops up.

More than a few people around here VRP parts in their cars and are running them happily. As an example, 3 of the 5 fastest SL55s on Dragtimes are running VRP parts.
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Old Apr 7, 2010 | 04:59 PM
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Originally Posted by jmf003
It's poor etiquette to crap on another forum member's for sale thread. The man has a VRP pulley and is representing it truthfully and honestly. It's not like he's claiming his pulley is something that its not.

On top of that although the company VRP did not succeed its founder, Victor Ruscitto, was one of the earliest 55K engine modders and a terrific contributor to this forum. Just do a search for VRUS sometime and see all the great information that pops up.

More than a few people around here VRP parts in their cars and are running them happily. As an example, 3 of the 5 fastest SL55s on Dragtimes are running VRP parts.
Agreed! Also, the VRP pulley is madeby BHJ Dynamics which is a huge manufacture of pulley's and harmonic balancers. The VRP kit itcludes an SFI approved harmonic balancer made specific by BHJ. It's as solid or better then OEM.
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Old Apr 7, 2010 | 06:17 PM
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Originally Posted by KLR CLS
Agreed! Also, the VRP pulley is madeby BHJ Dynamics which is a huge manufacture of pulley's and harmonic balancers. The VRP kit itcludes an SFI approved harmonic balancer made specific by BHJ. It's as solid or better then OEM.
ehhh...
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Old Apr 7, 2010 | 11:34 PM
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03SL55
1)Would i have to do any other mods if i used this set up? Cooling for instance.
2)Is an ecu tune mandatory for this setup or not necessary?
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Old Apr 8, 2010 | 02:07 AM
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Originally Posted by kustom2k1
1)Would i have to do any other mods if i used this set up? Cooling for instance.
2)Is an ecu tune mandatory for this setup or not necessary?
With a 175 pulley kit, cooling (such as a heat exchanger) is not something you need, however these motors/blowers are known for heat soak. Tuning however is what you definetly need unless you wanna blow your motor.
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Old Apr 11, 2010 | 09:30 PM
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M-B 2003 SL55 AMG
I would like to thank everyone that has provided valuable info about my VRP pulley kit.

I purchased a new Gates belt # K080514 to go with the kit.I somehow misplaced the one that came with the kit.
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Old Apr 12, 2010 | 11:58 AM
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03SL55
Originally Posted by kamilclk430
With a 175 pulley kit, cooling (such as a heat exchanger) is not something you need, however these motors/blowers are known for heat soak. Tuning however is what you definetly need unless you wanna blow your motor.
Thanks for the info
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Old Apr 17, 2010 | 10:38 PM
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M-B 2003 SL55 AMG
The VRP pulley kit is sold .

Thanks for all the replies.

Thanks Forum for the use of space,
reed39
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Old Apr 19, 2011 | 10:04 PM
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You guy would probably know this, particularly Viet. How big of a pulley can I install on a w220 S55 WITHOUT needing an ECU tune? Thanks in advance.

maw
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Old Apr 20, 2011 | 12:38 AM
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Originally Posted by maw1124
You guy would probably know this, particularly Viet. How big of a pulley can I install on a w220 S55 WITHOUT needing an ECU tune? Thanks in advance.

maw
A tune is always recommended with a pulley, however I would say you could probably get away with running 168mm max..
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