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    Tach problems

    MY TACH IS ACTING FUNNY . IT DOES'T LOOK LIKE IT IS RESPONDING CORRECTLY. THE NEEDLE LOOSELY RESEMBLES THE TRUE READING. WHAT SHOULD i BE LOOKING FOR AS A SOURCE OF THE PROBLEM
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    4.3l operating temp

    what is the normal operating temp. of a 4.3l with open cooling? Also, should I be concerned if one riser is cool as a cucumber and the other is hot, on muffs at up to 1500 rpm in my backyard? thanks in advance , I have just completed a engine swap and converted to electric fuel pump and all my...
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    Carb gasket

    Is there supposed to be a gasket between the carb and the intake man. on a 91 merc 4.3l with the rochester quadrajet carb? thanks in advance Brent
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    Fuse in merc fuel pump circuit ?

    I am wiring in an electric marine fuel pump in a 92 mercruiser, should there be a fuse in the fuel pump circuit? I don't see one in the merc wiring diagram. thanks Brent
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    Fuel pressure safety switch merc 4.3

    I am converting over to an electric fuel pump on a 4.3 mercruiser and the switch supplied by parts man looks to me to be a oil pressure sender(one electrical connection terminal). can someone show me what the oil pressure switch should look like. How many electrical connection terminals should...
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    help converting from mechanical to electric fuel pump

    I have a 91 4.3 mercruiser that I changed blocks on. My new block needs to have an electric fuel pump installed. What would be the proper way to install a marine electric fuel pump. ie. check valve which side of pump?, fuel filter or seperator , which side of pump?, what particular oil switch is...
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