Advice on stroker kits

So I have picked up a 400 and 727 to swap in place of the 318.
Anybody have any advice for me ?
I'm looking at the 500 stroker kit from 440source and was thinking of using a trick flow 240 top end kit as well.
Any thoughts on this

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sounds like a good plan to me. U should read all of Andy F. posts, he`s got this !