Good for you! It's an adventure, but you'll never higher!
The best juicer is a norwalk, but a champion is next best. If you buy a hydraulic press from the gerson site they (champion plus press) simulate the same action as a norwalk.
And yes, he did juice raw calves liver. But his institute stopped it because they ran into campylobacter bacterial contamination that strikes the immunocompromised hard. I know, it happened to me after treament (not from liver juice) because the treatment had destroyed my immune system.
Very wise move to cleanse too - the ribavarin in very deep in you, and I gotta warn you, the sh*t is just as bad coming out as it was going in! All my symptoms reappear even 3.5 years later when I hit a new depth to my cleansing - skin rashes swollen fingers, and calluses with bleeding splits. They are an immune reaction flaring up because it sees the ribavarin in my blood again!
If you are like me you will see an immediate cessation of Sugar cravings and after a while all the anger will go away and your sense of humor will come back full force.