The MerCruisers First Start

May 18, 2021

So up to this point we have disassembled and reassembled the top end of this MerCruiser 5.7 MPI engine. We were trying to determine the cause of gallons of water in the oil of the motor. Additionally, we unable to concretely determine the source of the water ingestion. I much suspect it was a combination of multiple issues from not using the correct head gasket, not using the proper sealant…