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    Engine Upgrade??

    I have just reassymbled my 4.3 in hopes that the water won't come back into the oil again. If all goes wrong, how much conversion would I need if I repowered with a 5.0 or 5.7 with my existing Gen II?
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    Overheating at Low RPMs

    I have a 1993 4.3 Merc w/ Alpha 1 gen 2. I replaced the impellor at beginning of this season. Since then I have had a problem with overheating at low rpm. When RPM gets above 1000 engine begins to cool down. <br /><br />Can you put the vanes of the impellor in backwards? Would they turn...
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