Headers for my 71 Demon 340.

Mopar guru of mine here in Aus says the only way to fit Dougs long tube headers is to remove the k frame then lower the engine with trans connected then fit the headers & refit. Also need mini starter which I've got already.
Quickest & least frustrating way of doing it.
Ordering some Doug's long tube ceramic headers D543's tomorrow from the states. Unless anyone can talk me out of it.
That would be way more work than I'd be willing to do. The TTIs went into my 68 Barracuda , just fine, with the car on a hoist and the T-bars backed up. I had them in and out about a half dozen or more times, in the first 5 years. I don't recall it being a problem. I think one side went in from the top and the other from the bottom. But I'd be guessing if I said the driver's side went in from the top.