How can i make 700 horse from a 410 stroker

I have a good foundation lol and to the other guy that said it won't last long I strongly disagree. I have a 450 horse engine now I've been running for 13 years....Cast crank to boot. I also have available to me large port commando heads with w2 offset rockers(pushrod holes are moved over on these heads) and a .640 mopar roller cam

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What size mains does this block have 340 or 360?

Tom