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You are a braver man that I am. I am always looking for proven combos that will get tried and true predictable results. I have seen too many combinations of various parts bolted together that didn't work, and will never work.
The thing is, you are out there doing your own work, and when you finally get it right, you will have learned a whole lot. When I was working on the Italian engines way back when, we never wanted the exhaust port matched when we were using a lot of overlap. We wanted the header pipes to be bigger than the exhaust ports by a bit, like an eighth of an in or so.
Something about reversion control. Of course, that was with carbs. It seemed to help though.
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