Join Date: Mar 2013
Location: Phoenix AZ
Vehicle: 2003 SLK320
Other Toys: '86 560SL (sold), '04 SL55 (sold)
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SLK320 Under Pulley Mod?
Sorry if I'm over populating this section but I'm excited playing with the 320.
Anyway do any of you guys have experience with the under pulley that slows the water pump, AC & power steering down by 10% or so?
The math works but are there really any gains?