I couldnt find where the locking bolt went into the block, so as I normally do used the dial gauge on top of the piston to find tdc, this gets rid of the dwell, then set the timing disc up with a pointer at the correct inlet full open position as dictated by the cam. Use the dial gauge to ensure that cam is on full lift, then fit pulleys. I would never use vernier pulleys, an unnessary expense. With standard Ford cams I would guess that the slots in the end of the cam can be assumed to be accurate, with aftermarket cams I wouldnt risk it.................