Thanks for the input.
Here are some images.
I'm thinking that this is the largest SR frame made in '84.
It must have been constructed early on a Tuesday morning, right after a 3-day weekend.
The SN is on the bottom bracket shell, but is upside down, according to Vintage Cannondale.
Last edited by Stev8del8; 10-12-14 at 07:59 AM.