I have my 400 out of the 68 and is on the stand...if you need, I can send you pics of the routing and angle from the top...but the link the members posted above pretty much covers it.
Si Vis Pacem Parabellum
1967 Starlight black PMD Engineering 400 Auto 1968 Alpine Blue 400 4 speed 1968 Verdoro Green 400 HO 4 speed 2013 1LE 2SS/RS Inferno Orange Camaro.