My brake peddle went down almost to the floor today and the car didn't exactly stop on a dime?? Its a '85.

Did you have any brake fluid in the reservoir? If yes probably your master cylinder, If no you have a fluid leak some where.
David

Did you have any brake fluid in the reservoir? If yes probably your master cylinder, If no you have a fluid leak some where.
David

:iagree: I would be checking the fluid and then your master cylinder and all your lines.