Magnum intake drilling plate project

So started this project by borrowing a LA head core. Thank you Rick at Park's Engine Service, Seguin Tx.

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Made a pattern with a fiber paper and ball peened hammer.

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Did the same thing with a Magnum head. Here you go.

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One problem I see already are the end bolts.

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The brass pipe nipples will be installed into the steel plate I have. You bolt the ends up and that allows you to drill the center bolt holes. Then swap to the other plate and drill the last two.