Did you break in your engine per instructions?
After you get the engine warmed up how long can you idle it?
I think that Nitroaddict has a thread on this somewhere.
Warmed up car, drive it up to you hold your break and count the seconds it takes before the idle changes.
It's kind of a deeper sound almost like it is slowing your engine down a bit.
If you are only getting about 5 seconds or less before the "idle" changes you are too rich.
If break in is finished your running too rich.

You need to adjust your HSN first, this is the most crucial needle as far as keeping you engine running cool.

You Always need to see smoke coming from your exhaust, and you should be able to feel the oil while it's at idle.