New Clutch accompanied by the worst sound ever! Help!

[Tyler_69C10]

Recently my father and I just replaced the clutch in my 69 C/10 LWB. It has a 3speed manual trans. We got a Dynapak clutch kit which included a new clutch disc, pressure plate & throwout bearing. We just finished putting it in today and hooking everything up and getting everything adjusted. We followed our Chassis service manual carefully. We also changed the engine oil & transmission fluid. Everything was properly lubed before going back in. However, when we start it up it makes the most terrible sound ever. It's a squeaking, griding, clicking, whisking noise. However it goes into gear fine and the clutch essentially still works great. Everything feels like it's in fine working order, but it doesn't sound like it. We're wondering what the hell could be making this noise? The noise is consistent with the engine RPMS - by this I mean, the noise is louder and faster if the engine is revving higher. We know it's coming from the tranny and not the engine, because the sound is coming from right under the cab.

Can anybody tell us what might be wrong?