Just purchased the boat engine has mercruiser plus 357 a apha 4 installed in 2015 152 hrs like new have all receipts of winterizing and oil changes ,when i got the boat delivered did not check oil, and put on trailer next day started for a few seconds sounds great good oil pressure, shut down checked oil and dipstick showing nothing, added 4 qts and still showing nothing no leakes in pan, bilge clean, has the right dipstick 34 inches pulling my hair out ,any ideas?
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