PCT is pretty "standardized" around here.
Clomid ~ 50/50/25/25
Nolvadex ~ 40/40/20/20
Some personal variations and such but that's what's repeated most often. If I ever come off TRT I'll run that.
Your plan just seems like a lower starting dose and running it longer. With the HCG during the cycle your balls should be pretty ready for when LH and FSH arrive once the nolva and clomid kick in.
How long are you planning to wait between last injection and starting your PCT? That is a very big deal. Starting to soon will have your body running elevated testosterone levels because the Test E still hasn't cleared enough. I dont know the time frame but I'd best $$$ many people here know it off the top of their heads for any ester.
PLEASE get labs BEFORE you cycle. Those labs can never be taken again. You will never be able to get your "natty levels" again. Knowing natty levels will give you the levels to hope for and strive for post cycle. There is a decent range of natural test levels. Your post cycle and post PCT levels may come back at 600ng/dL and seem good but you might be naturally on the higher end and actually run like 900. Pre-cycle labs are very important and often not done. How do we know if the PCT truly worked if we dont know what numbers we need?
Also what are your plans for estrogen control? I was on 200mg test c a week and had double the estrogen range with no bloating, smoothness and low nipple sensations. Compared to pre-TRT they were actually less sensitive and that was with estrogen inside normal ranges.