Those siphon pot blasters can be frustrating to get, and keep, flowing well.
I have an Eastwood pressure pot blaster that isn't much better. Very finicky to adjust for the right amount of media.
They both require patience and a lot of time, as they aren't quick about getting a big area done.
The hood/fender marriage looks good. A temp frame to keep it from flexing and bending is good, but since the rails will need to be tied to the body with the cage, you may want to wait for the final hood frame to fit around the cage.
It could well be a 1 of a kind AMC at the shows and strip..