71 Demon Twin Hood Scoop Hole diameter?

If this is your first time with this a couple hints - take your time, you don't want to warp the hood when cutting the holes. When you install the seals, the thick side goes up (see post #15 picture) to keep water from running onto the engine in the rain. It helps if you use just a little sealer on the outside of the hood to make that seal really do the job. Good luck - it sure changes the character of the car!