Hello from Cave Creek AZ

I can rebuild original units. Changing the tube size is a really big job. I can do it. A standard rebuild is $90 including the shipping in the USA. Changing the tube would run significantly more. I've done a few where I added a return line for EFI and a tube refit would actually be much harder than that.

You do have a point. Let me think about this and see what I can figure out