This thing was never finished, I just remember reading this a while back. This was bunch a bull it never worked!!

then change reputation mod to money hey presto

How to change that?

Points into money, but there is no transfer in that!
Do you have seed bonus installed?

You mean this ?
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Yes, I have.

Yeah, that's pretty much same deal.

But it doesn't appear at userdetail and userbar.

it will probably appear in status bar,forums,userdetails

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This mod doesn't edit anything about userdetail.php

You can see.

tbh no coder is going to do this money mod its fun ok but a waste of code in my book
just use karma mod