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    Diesel power surge

    I have Volvo penta AQD21A with a 280 leg , when I am running about 1800 rpm just occasionally the engine rpm increases and the bows lift revs go up to 2000 for a couple of seconds and the revs drop back to where they were originally, I have gone back through the deisel forums here but to no...
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    Volvo 280 leg.

    Hi Guys, Got a question, Why are the four Alllen bolts that hold the top bearing housing on to the upper housing made of ferrous steel and not stainless steel,it seems odd to me to put stainless everywhere else. Especially when they cost ?4 each. :confused::mad: Thinking about this, would...
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    280 leg transom plate "O" rings

    I have looked all over re the above, I am fitting a 280 leg with an AQD21A engine into a seamaster 23. All ok and I am navigating its instalation but having fitted the transom plate, are the rubber "o" rings the large ones which clamp either side of the transom plate lubricated or fitted dry...
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