LVL 50
Suicune is at Level 40 in HeartGold and SoulSilver.
You cannot get a Suicune level 40. Suicune cannot make eggs, and thus, he cannot be below level 40. No legendaries can be at a level lower than they are found at.
You have to train him like a normal trainer with high level wild pokemon, trainers, and patience
yes
On Cerulean Cape
one and one only
Where you find Misty.
No
Pokemon HeartGold and SoulSilver.
it is not on route 18
oh well its at the island were u get grudon
Suicune does not evolve.