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Ok I have had my 3.0 manifold pressure tested, no leaks! changed oil and filter. No more water in the oil... thinking a bad gasket. But now my boat seems to not want to run right. Back fires a little chugging and only 3100rpms on full throttle in the water. After running for a while lost a few...
Hi, new to this forum. Bought my first boat and have some trouble 89 Four winns 160 with 3.0 OMC Cobra gm block. I am getting a little bit of water in the oil. I do know to check the regular things like manifold gaskets and so on. all gaskets are slated to be replaced, along with pressure...
