door scoop location needed....HELP....

[69 charger man]

hey everyone.... well imm adding the rt door scoops to my non rt charger and i need some measurements to get them in the right spot lol...   so if some one could measure theres, or even know where to exactly drill the holes that would be excellent..  many thanks
-ray

ps on the attached pic.. the red lines are the measurement from the edge of the door to the front of the scoop..thats what i need
thanks

[69 charger man]

anyone???