The larger the carb (generally) the better the top-end at expense of bottom-end. An option would be a taper bore; you get the best of both.
I'm not argueing on what to call a part, just wanted to make sure we were talking about the same part.[img]i/expressions/face-icon-small-happy.gif[/img]

 

I was not argueing with you trapperb1, sorry if it seemed like it. I am new in here, and I dont want to make any body mad. I am glad you are trying to help. Do you know where i can find any info on porting. I had some one try to port it but I could not tell any difference. Looked as if all he done was clean the carbon off. And about the fly wheel i think i am going to try to lighten it up and not worry about trying to find a aluminum one.