hey smrat, well the diagram says i should use the white wire. As for the msd distributer they looked up one for my application. 351C. and the box said ready to run ford distributer looks like the pic you posted sept the cap is all red and it has the pedestal mounted wire holder on top. I really don't get why it won't work as is. I did read that your not supposed to use the magnetic pickup and the white wire at the same time " do not". This schematic was the only one that looked like my set up.