Metal Slug "Conversion" Mvs to Aes....

hi everyone!

finally i'm about to get an neo geo aes.. i'have already collected
some carts(samurai spirits II real bout special,).
but i already known there are some games that i never get like metal
slug ect (too much expensive)

here's the reason of the 3d.

i have the intention to do a conversion by myself (for my purpose i
have already found another samurai II and one world heros II at very
cheap price) of metal slug.(in the future i'd like to do the garou
conversion too it s my favorite snk game)

so .. i look up for some info.. and i get in the tiptonium site
browsing internet....
he says that it's possible to do a perfect conversion.. but
unfortunatley with a samu III sac cart..

So i look up again and i read the it s possible with one of the cart
that i own( samu II) but it need to make some wire connection.

and finnally here's the question...

how to make this conversion with the cart that i own?(i mean with
samu II)what i need to connect?
i necessary have to buy a Samu III to do this?


any info will be helpfull..
thx everyone