Thanks Pat, I did kind of feel like it may not be enough and I will be enlarging the hole so not to restrict the carb. I have read alot of your helpful post and they are needed and greatly appreciated. The P 51 is an ARC and I have FG and Painted it. I am now ready to begin with the assembly, I HOPE. Thanks again fellas and always feel free to throw any advice my way when you see it needed. I will always welcome it. Take care, Kevin.