I never had to test it myself, but apparently even the e-brake hooks up with no modification. This comes from a few guys who know exactly what they're talking about and who've done it themselves. Same springs, shocks, everything. The Ford 8 inch even has the 5 x 4.5 (big) bolt pattern.
Don't take it from me, PM Charlie_S. He's a heavy hitter on the /6 boards.