Bl-stup fore hbx mt ?

[speedy]

Hi i'd like to convert an hbx crosstiger truck into bl
What size motor would be good ? It's a lite 4wd mt in 1/10 scale and it's powered by an 550motor stock.
I have a good 5300 mah lipopack and 2st 3s1p a123 a cc-mm esc.

I know this is a cheap truck so no coments about that ok ! :)