C219 CLS55 and CLS63, 2004-2010

Pulley size vs boost/hp

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Old Sep 25, 2022 | 03:39 AM
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Looking to buy a CLS55/63
Pulley size vs boost/hp

Does anyone have a definitive list of pulley sizes vs boost/ HP? I'm trying too decide on an aftermarket supercharger pulley and want to know what I'm setting up. I have a bone stock CLS55, looking for a lil more umph.
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Old Sep 25, 2022 | 08:45 AM
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2006 CLS55 AMG, 2005 SLK 350 AMG
Originally Posted by Jerseyjules
Does anyone have a definitive list of pulley sizes vs boost/ HP? I'm trying too decide on an aftermarket supercharger pulley and want to know what I'm setting up. I have a bone stock CLS55, looking for a lil more umph.
Here's something that has been bouncing around from VRP:
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SC Pulley Size.pdf (431.2 KB, 113 views)
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Old Sep 25, 2022 | 12:02 PM
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Originally Posted by machild
Here's something that has been bouncing around from VRP:
But what is the stock size?
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Old Sep 25, 2022 | 01:54 PM
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2006 CLS55 AMG, 2005 SLK 350 AMG
Originally Posted by Jerseyjules
But what is the stock size?
I think it is 90mm but best to confirm. Search is your friend.
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Old Sep 25, 2022 | 03:39 PM
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Originally Posted by machild
I think it is 90mm but best to confirm. Search is your friend.
I just ordered an 83 mm pulley with a tune. Just looking for a little extra sauce in the CLS 😂
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Old Sep 26, 2022 | 11:47 PM
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You’ll have fun with the 83mm. You should upgrade your intercooler and replace the Bosch pump if you haven’t already. You’ll like it. I first went 83 then 76mm
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