Clocking doesn't matter, but, in the event it changes anything, I would think having it offset closer to the head would make it open sooner. I run a 160 in my roadster, and it takes a while to warm up, but it's not as hot here in New England (typically) as where you are. Granted, they say the high on Monday is 94.
Yes, his second picture. I don't have anything around the edges (same as his first pic).
The c-channel felt is glued in, but mine is practically falling out. I considered gluing in the top half, rolling the window up, and then doing as much as I can on the bottom half, but I don't know how much can be reached through the inside holes.