From the vid I saw on FB. seemed to run pretty rich, Check your clutch side seal. you might be picking up some tranny oil. If your NOT running Castor in your pre-mix, you can drop some 927 in your transmission and run it for a bit to see if you can smell any castor coming from the pipe. I had a clutch seal push out on my 92 and it smoked like crazy and ran like a turd. My 2 cents