arnie had those arms as a naive dianabol swallowing teen in austria.... he had the chest too, so i suppose by this reckoning he was shooting his chest too?
i looked into the synthol thing a lot a few years back before i stopped competing, and there is a big difference between the oils, synthol is full of collegen and is much thicker, it stays in the muscle far longer before it breaks down, which in turn blows the muscle up