Ok after getting advise from Doug member dvw the tune is very close. This is a Stage V dual 4 manifold. Front carb feeds 1234 and rear feeds 5678.

I ended up with .092 primary .086 secondary .070 x .057 rod. That makes the cruise area .0028 power .0041 and the 86 jet area is .0058.

Many possible combinations I used the rods and jets I had.

Here's a look at the manifold. Just a small equalization port between the 2.

Thanks again Doug for your time and knowledge.

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