The edges are tapped over with a tee-shaped rounding dolley.
Some shrinking helps tighten up the edges
The main piece seems to fit pretty well. Next, the tunnel portion is marked for an extension piece on the firewall. This will allow more clearance for the LT4.
A trip to the Pullmax starts the tunnel housing extension. A pointed die begins to “fold” a flat section.
The shape is roughed in.
Check out:
V8 Radio Podcast: https://www.v8radio.com
V8TV YouTube Channel: https://www.youtube.com/user/V8TV