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    OMC 5.7. Totally frustrated

    1992 holly carb , points, Starts, idles for 5 secs, shuts down. New plugs, points, condenser, cap and rotor. Not wires. Machanical fuel pump, pumping plenty of gas. If I give it 1/3 throttle it screams a bit longer but then shuts down. Took carb off, cleaned front jets and idle ports out...
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    Omc 5.7 cobra. 1992 sunbird.

    No spark. Coil resistance checks out on both primary and secondary coils. 12 volts to distributor, test light blinks when connecting to + line at distributor and - at distributor and engine is cranked. Bench tested coil for spark with old and a brand new coil with condenser attached to set...
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    Evinrude or Johnson ??

    I was helping a friend clean up a piece of property he recently purchased. Behind a shed out side was Johnson 135 low profile. I took it home for a good project. Worked on it for a bit and found ID plate on mounting frame. The ID says it’s an Evinrude 1974 115, but the cover says Johnson 135...
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    OMC Chevy 5.7 just cuts out.

    So my son bought a 1992 20 ft open bow sunbird this past summer. 5.7 , very good consistent compression, clean looking engine. It had some running issues so I rebuilt carb, changed one way fuel valve near tank, new plugs and runs fine now. The issue he is having is that it will suddenly...
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