Anyone familiar with a Marine Power 454. Specifically the oil sump and what it's capacity should be. I believe oil sump capacity should be 10 qts. When I sucked the oil out to do a oil change, I removed 9 qts but the oil level on the dipstick was about and inch and a half past the Full Mark
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Well, oddly enough, I just did a rear main seal on one last month. The pan on a 330hp Marine power is 7 quarts plus the filter.
Don't run it high, it will whip the oil into something resembling a root beer float and get hotter than an exhaust header on your nutsack...
GT