Yours work good or not: HAYDEN FAN CLUTCH #2765

Not true.There is two differant fan clutchs,a thermal and a non thermal.Hear is a web site to read about the two.The hayden 2765 is the thermal fan clutch and is the one you want. Mark http://www.haydenauto.com/Featured Products-Fan Clutches and Fan Blades/Content.aspx
The clutch fan definitly spins slower at idle.