Metal Gear Solid: Peace Walker

[bholenat]

Hello, this is' the first time I write on a forum, so forgive me if they are not in the correct section. I have a problem with the second battle with the peace walker does not fall below two energy bars. Reading the forum I realized that in the eu version does not trick, so I've got the version used.
The problem 'I do not know how to transfer save data eu version in us version
Could you explain in detail? No practical technology.
Sorry for my bad English.
Thanks so much