My take on fina is maximum of 8 weeks, and run the ethn. for like 3 weeks b/f you start the fina to give it time to kick in this way the time you're on fina you're on test. Clomid 14 days after last shot of ethn. Have nolva. on hand b/c I know someone who got gyno from that same cycle. Also just run the test. at a constant rate no need to taper up or down. If you only have enough for like 8 wks. at 500mgs./wk. then that's your best bet. Also, this is me, I won't run fina any longer than 6 weeks. And it does shut down your natty. test. alone and quickly.
BTW I am know what I say here you guys may not take as credible but I am a vet over at the bb.com board, and this is one of my first posts here, and I like your board a lot. Stop on by the bb.com board anytime.