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I'll let you know here shortly... I've got my new Track 1's at the shop right now and a Mini sitting on the bench that I have to port match when I get them back.
The Miniram comes in 3 sizes, for different gaskets. I don't remember the numbers, but TPIS will tell you.
I seem to remember that 1204's & 1206's were two of them. Not sure what the third was. If you ordered the correct one, no work should need to be done to match the ports up.
The only problem is that there isn't much more you can get for a Chevy fuelie car. Lingenfelters will fall on it's face before 6000 rpm, the stocker is out....so the MiniRam is all you have left (unless you want to go to a single-plane intake with injectors).
Jake pointed me to Genesis Racing Products. I've not yet spoken to Bob Jones, but he did port a MiniRam for another motor that now flows 400 cfm. This should flow enough for "almost" any application....even your blown monster.