I think you're better off keeping carbs in. They're important for growth and glycogen in the muscle.
6-7 kg in 8 weeks= approximately 13-15 lbs. right? That's not exactly a small growth in 8 weeks. At that rate, you're going to get chubby, regardless of diet composition.
And if you don't think kettleball squat cleans are difficult, I say, step up to the med-ball
- CJ Kim