Speaker locations for 74 Duster.

Back in the day I had a couple of 4 inch 2-way speakers in a center console that I made( faced out the sides with a slight upward angle). The good thing about a duster is that for whatever reason ( angles, acoustics) 6x9's in the rear deck end up reflecting sound off the front windshield. as for woofers, There is ALOT of room (deep) between the rear passenger panel and the inside of the quarter panel, I'm toying with the idea of a completely hidden woofer inside (8inch) I'm not talking hoopty just some kick