Any anabolic steroid will stimulate the kidneys to release more EPO, there's nothing unique about EQ for that. I found the "increased endurance" to be very underwhelming, and I've run a shitload of EQ before.
Even 250mg test can cause the hematocrit to creep up in many people.
Btw, that's exactly what I would suggest your friend do. In terms of recovery, its a very big difference from natural. Few side effects at that dose, too