Engine swap dilemma need help

Hey guys, so I'm swapping in the new engine now. It's going to be a pretty hot street 416. 1972 dart swinger.

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I thought since the engine that was in the car was a 360 I'd have no real issues with the swap. Well, one of the engine mounts is wrong and only two holes line up. I'm guessing this was a 318 mount?

Anyway so I've been looking for some new mounts but really having a hard time finding any. Do you have any suggestions?

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That's not the correct mount for the driver's side 340/360 in a 67 - 72 abody....