Common sense dictates that one. You can also punch the numbers into a compound calculator to get a better idea: http://pct.befit4free.net/index.php
I've used a couple calculators and can tell you none are 100%, half-lives vary from body to body, but this gives you an idea of how long it takes the body to clear various doses of compounds. Type in 1 drug used, Test E, 105 days (cycle length), 375mg (initial dose), click the button next to Every, type in 3.5(days), calculate. I don't agree with their PCT start time, its a little late for me. I go by an article I read some time ago posted by an anonymous pro, and no, not the recent "Who Am I?" There was nothing mentioned in there about levels anyway, I just wanted to clear that up. The other "anonymous" went into waiting for blood levels, based on mg and half-life of the compounds and not blood serum levels, to drop around 200mg. Slightly above is ok, depending on what ester you're dealing with, as is slightly under. If you have too much exogenous "anything" in your system, the body will, essentially, ignore your PCT regiment and not start reproduction. Your exo levels are too high and the body still see's its own production unnecessary. A simple metaphor/example to compare it to would be something like; take a 0.5 liter water bottle, drill an 1/8" hole in the top, tip it and allow it to drain itself. Lets say it takes 7 seconds (I made that number up, this is a hypothetical analogy, you can perform the process if you want, the time will be different I'm sure, but the results will match this comparison). Now take a 0.75 liter water bottle and perform the same process. Stop the bottle from draining at the 7 second mark, or whatever the time to drain the first actually is. Look at the bottle. How much water is left? Same clearance time/half-life (same size hole for the water in the bottles to drain from, same densities), same amount of time given to clear (drain from bottle), one has cleared (smaller bottle is empty) and the other has some remainder (water still in bottle).

3 weeks +/- a day

I'd keep the Prami from the beginning, he won't really need it working until later on, but it gives him time to taper up to his needed dose. Starting off at 0.5mg will flatten him out. try 1/4-1/2 that and ease up to whats needed to avoid the negative sides of a hefty dose. Arom/Exem: 6.25/6.25/3.125/3.125, Clomid: 100/100/50/50, Nolva: 20/20/10/10 will be a good PCT, HCG would really help out here, if not during cycle, at least as a blast at the end.

FOOLMEONCE: Get your bloods at 6 weeks instead of around 3. I've sat down with a pharmacist I knew and discussed "hypothetically" (of course) what kind of a clearance I was looking at for Clomid and Nolva for dope testing. Clomid is around 3-5 weeks and Nolva around 4-6 for detection, I may have those mixed up, but, none the less, you'll still have SERMs in your system that will make the blood test partially inaccurate, due to the fact that they're still affecting your endo system.