e-jato gonna be built by me

[Serum]

That depends on your own creativity..

Usually a dremel, files, vice and a decent proportion of patience is the key..

Check out Brians conversion on the Jato;

http://scriptasylum.com/bl_conversions/

Without trying to be rude; Could you consider using the search button? there are several users that did a conversion like you have in mind.

For this setup the same rules apply as with the revo; it pretty much depends on your budget.