Help 360 Magnum dumped all its oil when started

jos51700 said

Could this be a long-dormant issue with using the wrong oil pan? I remember my oil pan gasket being kinda weird at the rear main

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Probably not since it the motor came with the oil pan. Also the oil pan never leaked a drop of oil before this. It was a crate engine that sat for six year, maybe the oil pan sealswent bad?