440 build working with what I’ve got

I hope you have a few carbide bits and sandpaper rolls to open up the shrouding on the heads it’s free hp and it will help that cam make what it should. Dig up all the change you can and look for a good old single plane intake. I wouldn’t be in a hurry to screw the thing together and spend a few months coming up with a few bucks on the rest of what you need…