John,

I have a "somewhat" later model '67 122. Late enough to have the later style rear end, but not late enough to have the dual brake system that was introduced later in the model year, if I'm not mistaken.

I have ev-e-ry-thing from a '70 E that was too rusted to salvage, but probably saw only 36,000 miles of actual driving. Sat in a field and leaked thru dried, crack windscreen and rear glass seals and rotted the floors and subframe.

Everything mechanical is low wear, and in great shape, and I am contemplating the switch to 4 wheel disk and dual brake system, by installing the '70 E rear end into the 122.

My questions; can all (!?!) or part, of the FRONT end assembly from the '70E be used to convert the 122 front end to the later bolt pattern and dual brake system? Or is this a total mismatch?

I've only seen redriling the rear 70E rotors, or the front 122 rotors, as a solution to being able to match wheels front and rear, but is there a way to get those 70E rotors and hubs mounted on the 122?

Also, can the 70 E "in-line" master cylinder-brake booster be used for the dual brake system conversion, or is there a standalone master cylinder (like the typical 122 MC), for the dual brake system ?

gary - '67 122S, '72 ES, '70 E disassembled