440/520 Stroker with max wedge exhaust manifolds question

Never say never
Well, as I said in my post "I never seen one"
As a matter of fact I've seen E noted on the number pad of a 73 satellite Sebring plus 400 magnum 4 speed ( numbers matching) People on moparts say all 400 4 speeds had a forged crank. E is the code for cast crank.