Reverse Split Pattern Cam - 318 Magnum Head swap

I used roller regrind by oregon cams number 1006 260intake 264exhaust. 1989 318 roller block 302 head mild port job ld4b intake 904 9:5CR with a shift kit recurved dizzy msd blaster coil mopar ECU 3.55 gears getting constant 15mpg city (i live in Los Angeles that where all my driving is). Motor is a beast, best build i have done yet!