Contour Enthusiasts Group Archives Forums Modifications Duratec Maintenance Whine from engine - anyone hear invisible boost?

Roz,

I just replaced my serp belt with the Gatorback and now get that whine as you described. Is this normal? Should we be replacing the serp belt with another brand, even OEM? Has anyone replaced their serp belt with a specific brand that DOES NOT produce the high pitch whine? Thanks...