Look up nitrogarage, they are up in Elsinore I believe, they did my dad's 12 pt cage and moved the firewall back 12 inches for a good price, dont remember the amount but know it wasn't bad. I'll see if I can find their card
He says he is in Texas now, not CA
OP , I have a back half 1965 Dart 270 that is certed to 7.50 that I need to finish, buy or have made glass or carbon fibre body parts, paint, wire and plumb and then go test
Go chromemoly to start with, avoid doing it over down the road when you really want to go faster
