Hey man, I'm looking at swapping my 383 for a 440 in my 65 Fury. Is there any feedback/insight you can share? I was wondering what headers you're using in yours. Your convertible looks amazing. Here's the link to my swap question: https://www.forcbodiesonly.com/mopar-forum/threads/engine-swap-383-to-440-1965-plymouth-fury.59474/#post-939371