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Re: Reproduction cast iron exhaust manifold - crack ?
Posted to Technical Discussion Forum on 6/24/2024 2 Replies

I would call it a manufacturing defect. The mold they used somehow had a "parting line" at that location and when the molten iron filled the mold, it stopped flowing there because of the parting line in the mold. When the sealing surface was machined, the dept... Login to read more.

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