Thanks for that link, Joel. I remember reading Ken's how-to guide a few years ago, but didn't have it in my favorites. Here's another good Q-jet resource:
Some of the links don't work anymore, but there is some good stuff here. I'd recommend starting with the Lars Grimsrud articles which I think are some of the first ones listed, "Quadrajet Tuning Paper" and "Quadrajet Tuning Notes".
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1976 Silver/Firethorn. L48, 4spd. Original 2 bolt, vortec heads, 9.4:1 CR, Speed Pro Cam: 224/224@0.050, 112 LSA, Eagle Steel Crank.