http://www.mymopar.com/index.php?pid=109

Look there for a complete PDF of a 66 Plymouth service manual. Hopefully it has what you're looking for. It's been a handy reference for me when I'm researching at work away from my paper 67 manual.

1967 Dodge Coronet Deluxe station wagon

1.03" T-bars, QA1 arms/rods, Cordoba/GM Metric/Volare brake & knuckle, XHDs, Hellwig rear sway, 318 Magnum w/ air gap, 727, 3.23s