I really appreciate the information and advice. its a little late for me to start changing things out and I am not real excited about putting in a sub into the trunk. I am going to try the adjustments and see how that turns out. I keep getting mission creep here and am not moving forward at the speed I would like.
70 Challenger RT 440-6, 73 Cuda (under const)
05 Durango, 99 Dakota, 01 Ram 4x4, 14 2500 4X4, 10 PCP Challenger RT, 01 Viper GTS ACR, 52 B3B w/330 Desoto Hemi, 70 Hemi RR, 61 Jeep FC170
9 x Challengers. AAR Cuda, 4 RR, 2 GTX, 4 Chargers, etc... (too many to list)