Anthony,

I'm sure you have some YS experts around where you are flying. I would take that engine back to factory settings and start over. That factory setting would set the engine back rich, and if I'm not mistaken and you are getting predetination that means you are lean. I set my engine by ear and was close, but you really need a tack to set it correct. Setting it a little rich will not hurt anything, but too lean is hell. When I set mine by ear and then Mike Hester checked behind me I was a little too lean myself. I'm not sure the proper rpm to set it at so I'll let some of the other experts tell you. You have a beautiful VF3 and can't wait to hear how you like it.

Larry

Team Black Magic