photo needed for fire wall a/c hoses location

Hi, can/does anyone out there have a good photo of the area on the fire wall where the a/c hoses go thu for A NON-FACTORY A/C car , I am installing an under dash knee-knocker a/c unit and need to drill the holes for the a/c hoses to go thu the fire wall, I want to make sure I clear the dist. I will be running a 318 with the dist. at the back of the engine.