If the axle isn't installed in the car, use the good ol' BFH. You can use the same technique, but hitting the axle cover is much more liable to be damaged. If not clearanced, the rear axle girdle will make it's own room.
'03 Cobra - Mildly modded. A work in progress. 12.566 @ 110.755, 1.89 60' on street tires
'93 Notch - Looks faster than it is.
'72 F100 4x4 - Dormant, for now.
Race '99 L - 12.40 @ 110