More updates!
Done a couple more things to remedy, some of which have improved the situation. I fooled around with the timing and I suspect that I may be off a tooth. I've found that the most optimal timing I can get is by retarding the timing way back as far as the dizzy will go back toward the firewall. According to the mark I put on the crank pulley, it's well over 20 degrees btdc... but now I can actually accelerate in 3rd 4th and 5th gear. amazing what timing can do. I'm starting to gain an invaluable sense for what things are supposed to feel like, sound like, drive like. That stuff can't really be taught, you just have to feel it when its wrong to know what's best. Much of the hesitation problem around 2k rpm has disappeared, but still lingers a bit sometimes. I suspect that the timing needs to be retarded slightly more, which is not possible until I actually knock the cam back one tooth. It seems like this will cure that problem. I also gapped my plugs to 1.1mm. That was the first time I'd seen them since the rebuild. They looked gray and had a very slight crusty buildup. Looked all the same and pretty healthy from my experience with spark plugs.
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What year is the G10 you have in there?
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It's a 92, so no vacuum hoses going to the dizzy.
I can't wait to load the car up pretty heavy once I get my timing sorted out to its optimal setting and go on the highway to see how much power I have with the stock XFi trans. If I feel it's excessive enough, I'll swap in the 3.52FD swift transmission for even longer legs! This car's second long voyage is nearing...