Check for air flow in front of rad.Should be pulling hard at full temp.and high idle.And you should hear the fan.
Never any Fan Noise.....That's what bothers me....NAPA guy say's it fine

.......I don't think so.....
Also keep in mind if your clutch is for a latter model with a 195 degree therm.then the clutch won't engage until 210.
Don't know...........
Exactly how hot a temp. are you reaching at idle?
The Needle is usually in the middle (or halfway) and when it sits in traffic it go's to 3/4......and pukes out the radiator......
You should be able notice significant resistance,even once the fan is attached to it.
None.........
How close or distant is your clutch to your radiator,as you may need a spacer,added or removed,or even your belt slipping under duress.
Fan Clutch is 1/2" from the Radiator with a shroud around it......
I think you guy's have answered my question....The Fan Clutch is "New" "Junk"

again.....
Now.....Bottom line.......where can I actually go to buy one that will actually work........???
Thanks for the Input
Ken