If you plan to go for a kind of linkage which will connect the carbs of the two sides by means of a rod, then study the movement of your butterflies closely. I can't properly judge the levers used in the 302 set-up your blog links to, but I found out my original set-up made the butterflies of both sides move in an ansynchronous way. They would close at the same time, and reach WOT at the same time, but midway there was a significant difference. The set-up as I originally had it, is in use though by many people using Webers. Apperently nobody notice(d) this...
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