what heads did you use? There are a lot of opinions about this. What I do is put the head on and snug it up pretty good. Then I push the head in the center pretty hard, to stretch it. Back off the lug screws and then tighten them up again a hair over finger tight. From there I go maybe a quarter turn on every lug around the head, doing one lug then the lug directly across from it. Tap on the head with a stick about a inch and a half or so at each lug untill you get a sound that is somewhat equal all the way around. I also tune the resonant head a bit higher in pitch than the batter. I like my toms to have a lot of low end but that is just me. Some guy's (or gal's) really crank down a new head and then back it off and tune it to there liking. Its not rocket science, just mess with it until you get a sound you like. Don't be discouraged, some heads go on and tune right up and sometimes it takes a lot of messing with to get it right. Bass drums for me are trickier. I like to have someone around so that they can hit it and I can here it from in front.

Good luck!!

[COLOR="DarkRed"]What he said.

Especialy the part about "seating" the heads (tightening slightly, pushing down on center with some significant force, loosening and then tuning up from there).

If you are getting some odd ringing...it may be that just ONE or TWO of your tuning points is off....out of twelve or sixteen of 'em....that can do it.

Also, have you engaged the mufflers at all ? Those mufflers...they are like gold.

I cannot stand the fact that contemporary kits don't have mufflers anymore.

Lastly, a question already asked....what kinda heads (on both batter and res sides) are you using ?

Be patient...it'll come.[/COLOR]