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    The manifold/riser debate...again.

    I had been reading through previous discussions on the debate between Barr, OCSO, Sierra, GLM, HGE, and OEM exhaust manifolds and risers. The threads were years old, so I’m wondering if any of these products have improved or declined in quality or reliability versus the others in more recent...
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    Volvo Penta GS to GSi Engine Swap

    Ok, I'm progressing on my rebuild and starting to think about the new engine. My current platform is Volvo-Penta 5.7 GS PLKD, SX drive with 1.51 ratio. (1997). I came across a Volvo Penta 5.7 GSi PBYCCE that came out of a 1998 model boat. Both engines are of the same 94-00 charcoal color...
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    Bilge and Engine Ventilation

    I had been reading through other threads about this and wanted some clarification. My boat is a '97 Glastron GS 205 (VP 5.7 GSPLKD) I do not see any form of intake ventilation other than the four (4) vents on the rear of the stern that are up underneath the sun deck. I clearly understand...
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    Transom Thickness Question

    I was reading a this and another thread regarding I/O transom thickness. I see all the data in the thread that says min 2” and max 2 1/4”. My question is where is that data actually? I searched and searched and cannot find anything. I have the factory Volvo-Penta service manual for my boat and...
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    VP Raw Water Pump #3857794 rebuild

    Hello all, I had been reading an excellent thread (now closed) that was describing how to rebuild the raw water pump with new bearings, seal, o-ring, etc. (VP #3857794) Mine is on a 5.7 GS PLKD (1997) The instructions and photos were excellent and I was able to disassemble the pump on my own...
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    5.7 GS Engine Idle Changes when boat is IN or OUT of the water

    5.7.GS PLKD Strange symptom I don't fully understand. I can run my boat in the driveway with the muffs on it and it idles fine at @600-700 rpm. I take the boat out and put it in the water and all is fine at first. After a few minutes of cruising, I pull back on the throttle and place the...
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    '97 Volvo Penta 5.7 GS PLKD Ignition Problem

    Hello All, I am new to these forums. I have what I believe to be an ignition problem. Bought the boat, heads were blown as well as all the exhaust, etc. Rebuilt it all, got it running, pumping water, etc., but now, I believe I have an alternator that is overcharging, causing the ignition coil...
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