I put one together back in October and I had the same issue. I think it's just the nature of the beast. Try it again during the day but it's not an optimal combo.
i didn't listen to it, but i agree it sounds retarded
Yeah mine smoked about that much but it was probably colder outside then. I put the stock head back on.
Advance! Advance!Sounds retarded to my ear across the internet. If it improves when pulling the cold start handle (It's NOT A CHOKE!) then bumping up the timing would be prudent. The cold start handle adds a few degrees of advance when pulled.