I don't have an answer but if there is any flanges on that have be indexed be sure if someone makes one for you the index the flanges properly.

Not they made something similar for a large Turb at the ship yard I worked for and no one told the ones that made it the holes in the flange on each side had to be line up properly and they ended up with an expensive scrap metal at tax payer expense.

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84 300D, 82 Volvo 244Gl Diesel