I'm not surprised, once every 7 weeks of such dose even in the case of Undecanoate is going to get you huge peaks and all these side effects.
I'm going back to Undecanoate today myself, the protocol is going to be
160 mg Test U (0.8 ml of 200mg/ml Test U)
500 iu of HCG (0.1 ml of 5000iu/ml HCG)...