[pipes]

I know very little about Razz, but 3 wheel cards sounds too tight. 3 cards to a 6 or 7 are probably okay too, maybe a smooth 8 as well...something like A28 or A38.

Consider the other upcards...are the cards you need out? Are the cards that will pair you out?

An important consideration is your board. If you are playing a 3 card 7 or 8, it is much better to have it in the hole.

You may get more extensive advice in Stud section. Also, Sklansky on Poker has a great section on Razz.