Cost for labor on stroker build?

Brooks James said

I saw a tube where a 360 was stroked to 408, all else the same, only had 34 more hp

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Don't forget they added about 2 points of cr, stock magnum cr to edit* 10.73:1 .
Everything thing else was the same other than displacement and cr.


5.9l 305hp/414tq vs 408 334hp/490tq