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? where does the fuel pump get its crankcase pressure from on a 150 jon 1991. there are two brass plugs near the starter is one of these where the fuel pump would get its pressure had a vro before i purchased it no pump on it at all now.
If you use the oil injection pump you'll use one of those ports to get the pulse. If you use the old style "standard" pumps, you'll need 2 and use both ports.<br /><br />If you use the oil injection pump you can still premix amd just not use the oil side. Personally I'd use the oil injection.
You can but it is not safe,because in case of engine stalling the fuel pump would still be pushing fuel and in case of an engine fire that would be a real bad idea.