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    5.7 Merc Engine Surging

    Hey Gang: 1988 Glastron 233 SSV 5.7 Merc. Engine, 1169 HRS on the engine Alpha 1 Outdrive Recent appearance of an engine surging problem. The engine surges down in RPMs and then returns back up to where it was. A down and back surge takes about 1 second and goes about 800rpm down, then up...
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    Bigger Trim Tabs??

    Hi, I have a 23' Glastron SSV 233, Deep V hull. 5.7L engine, Alpha 1 outdrive. 17 pitch stainless prop. No hydrofoil on outdrive. The problem I would like to solve is that it is incredibly difficult to keep consistent speed in the 16-20mph range when driving for a wakeboarder because the...
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    Hollow Stringer Repair

    Hi Gang, I had to cut 6-10" off the ends of my stringers to replace my transom and am looking for info on how to repair them after I get the new transom in. The stringers are a no-wood hollow, molded fiberglass construction. Looks like they were made with 4 layers of 18oz fiberglass mat...
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    Transom Repair

    Looking for input: 1988 23' Glastron 96" beam. Big boat 3450lb dry. 5.7 Merc w/ Alpha one. Had leak at transom. With engine, outrive, gimbal housing, inner & outer transom brackets removed, found rot on edges of drive cut-out. Picked at it with a chisel today. It goes for 2 horizontal feet on...
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    Transom Plate Water Leak

    Hi, I am trying to get a sense of what's causing this water leak. 23' Glastron 5.7 Mercruiser Alpha One Outdrive The slow stream of water enters the boat at the bottom and center of the inner transom plate between it and the transom wood. All my bellows were new in August 2009. In...
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    Distributor Ignition Sensor Mercruiser 5.7

    I apologize for not starting my own thread earlier. Help please: I have an issue with my ignition system. It follows a reassembly of a Mercruiser 5.7, Alpha one, Thunderbolt iV igniton with new heads (distributor has to come out to remove intake manifold). I have used the Troubleshooting...
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