Here's my '74 Nova SS. It started off with a 350 and I'm almost finished with the 400 sbc thats in it now. In the plans that are slowly but surely coming along I'm converting the bumper and grille to a 72 front end and tucking the rear bumper. I just added a page 2 showing the engine swap progress.
Here's a few pictures of the car itself:



(there's with the 350 in it)
not sure why these keep ending up blurry... probably user error hah (freshly washed and still wet)

This was in the D&C newspaper for the Caledonia car show.
Here's the interior:




And here's the trunk:

Before(350) After (not finished but you get the idea...)


Page 2 has pictures of the engine swap