line lock

This is what I'm talking about.

http://www.moparmusclemagazine.com/...lling_factory_style_disc_brakes/photo_16.html

If a disc type MC then its easy to figure out which line is for the front compared to the drum MC.



That's a good link man...guess ya learn something new everyday!! Guess the key is to run the line down to the distribution block to see where it goes from there.