Eagle 4140 crankshaft

I have one in my car, abolutly no probs for the last two years. My engine builder didnt mention any probs with it. Mine is internally balanced. I also have the eagle rods. When i picked it up he said he was confident i could push 1,000 hp thru it, i dont because i dont know how to get that much out of it, but it runs great pushing 22 pounds thru it.
 
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