B20 + Nawzzzz
depends what you want.
b20 sleeves are very weak, if you want to spray big your gonna need to sleeve it.
aside from that the gsr block has a more durable bottom end than a b20.
however the stroke on the b20 will yield more torque than a gsr with the same bore.
b20 sleeves are very weak, if you want to spray big your gonna need to sleeve it.
aside from that the gsr block has a more durable bottom end than a b20.
however the stroke on the b20 will yield more torque than a gsr with the same bore.


