So what's the difference between a kaioken generic blast and a kaioken kamehameha?Definitely not, in fact the strain seems to nerf it. Ki control is not something Kaio-Ken improves, hence why it’s so hard to use.
Vegeta is completely bewildered by the concept of amplification in the Saiyan Saga, and he matched Goku’s attack. Either Goku was severely weakened, or his blast was.
So what's the difference between a kaioken generic blast and a kaioken kamehameha?