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  1. J

    5.7 efi backfiring

    1800 hours well maintained engine intermittently coughs and backfires only while starting. Has broken two starters. Runs perfectly once started. Plugs show no sign of water or any other problem. Rotor, distributor cap, plug and coil wires fine (two years old). Anybody have an idea what's going...
  2. J

    diffuser ring installation

    Anyone have tips about how to install a diffuser ring on a mercruiser prop? The guy in the parts store said "don't try to tap it on with a block or it'll snap. He suggested working it on with a screwdriver but I don't see how that's possible.
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