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    3.0L Mercruiser

    I have a '86 3.0 L Mercruiser. The P&D have been replaced by a Pertronix solid state pickup/ignition. I just replaced the carb with a new one.<br /><br />Here is where I need some help. I have the carb tunned in pretty darn close to where it needs to be. The engine is ideling (@temp in the lake)...
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    External Tach

    Quick question...<br /><br />If I take a regular marine/automotive 12V Negative ground tachometer and connect the + side to the + side of the coil and ground it to the block, in essence I have created an external tach.<br /><br />Automotive 3 wire:<br />+ to the Battery <br />- to the...
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    Mercarb Question

    I just recently bought a new rebuilt 2BL Mercarb to go on an '86 3.0L Mercruiser. This carb has some type of a "cap" / cover over the idle mixture screw. Is it possible to remove this cap to allow full movement of the idle mixture screw? Right now it only has very limited motion to the left or...
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