Yes, the Stator output is single phase. There is a single diode in the return ground path, in the above diagram it is #205. This is what cuts the voltage in half (~7 volts). So I would guess this to be a half wave rectifier, but I have never looked at this with an oscilloscope.
I think no other changes are needed, other than the 8.125 inch thing, which is really not a big deal.
Jim
1986 F150 XLT Lariat 4x4 300 C6, 9 inch 3:50, 235-15 tires, sway bars and skid plates, DS2 dist with GM 4 pin IGN module and no computer. still using the feedback carb; 3G ALT swap, PMGR starter; 150,000 miles, 2nd owner