1966 6 cylinder 200 cid, 1 barrel carb, 3.68x3.126 bore/stroke, 9.2 compression ratio, 120ho @4400 rpm, max torque 190 @ 2400 rpm, oil norm 35-55 psi, plug gap .034, dwell, 37-42, firing order 153624, timing 6 degrees btdc standard, 12 degrees btdc auto, neg 12 volt ground.
Oh yeah, only 253,168 mustangs with these motors were made that year...354,400with V8s.
Hope these help,
Steve-o