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    Racor 320RRAC01 Water Seperator Question

    I ordered the Racor 320RRAC01 Water Seperator per John Martin's recommendation. The instructions say that I need a check valve if the filter is above the tank. Is this necessary? If so, what do I order?
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    Bottom Carb pouring Fuel out #5 after Fuel Pump Rebuild V-6

    I just rebuilt the fuel pump on an '80 175 V-6. Before the rebuild, no gas was coming out of the carb front. Now gas is pouring out of the bottom #5 carb. Clear hose test showed an air leak, it was the fuel bayonet connections and they were tightened. Vacuum test was at zero for restriction and...
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    Leaking Thermostat Covers

    I replaced the thermostats on 1980 175 because they were old and leaking. The new gaskets did not solve the leaking. What can be put on the covers to stop the leaking?
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    1980 175 hp v-6 3000 rpm

    I live in Colorado and the elevation where I boat varies from 5000 ft to 9000 ft. Since the carb and fuel pump rebuilds and re-jetting for high altitude, I am only getting 3000 RPM and bogging under load (Tubers). Full Throttle RPM range 5300-5800. Once planed out and motor trimmed occasionally...
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    Still Low RPM at 5000 ft Elevation with High Altitude Jets

    Since re jetting for High altitude, I am only getting 3000 RPM and bogging under load (Tubers). Full Throttle RPM range 5300-5800. Once planed out and motor trimmed occasionally 5000 RPM . Idle is fine. Carbs and Fuel Pump rebuilt and new lines and bulb, Ignition test out good. 15000 volts on...
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    Gasket between Carbs and Sound Attenuator?

    1980 V-6. Should a gasket be put between the carbs and the silencer box? (aka Sound Attenenuator) The OEM gasket is obsolete. Just use carb gaskets? Any suggestions? Thanks. Rob
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    Solved -Pipe Thread Compound on Fuel Pump Fitting

    I 've got a V-6 Merc Fuel Pump that I have rebuilt. Does the 3 - way gas hose fitting get pipe thread compound? I did not see any residue when I took it off. If so, would a TFE Paste work? Although not my fuel pump, it's #20 on the diagram. Thanks, Rob I went with the Blue Permatex, don't use...
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    Housing for a DVA build

    My DVA project needs a container to house everything. A project box from an electronics store would probably be best. It was suggested to just hot melt glue everything on a piece of wood. Obviously water would be the concern there. I could use some ideas...
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    Need help selecting a DMM for DVA build

    The wires from the stator and trigger on my '80 175 are looking cracked. I need some help with selecting a DVA meter. I have done some surfing including the CDI website, starting to get confused.
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    Needle Seat removal and replacement

    I buggered a needle seat while taking it out of one of my WH carbs. Is there a trick to safely pull them and replace? I thought about tape on a large bladed screwdriver to fill the thickness gap.
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    WH-13 Carbs interchangeable? Rebuild Update

    I have a 1980 Merc 175 V-6 Serial #5541133 with WH-13 carbs. Are any other WH carbs interchangable? Thanks.
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    1980 175 Merc drama until warmed up

    1980 175 Merc V6 moved to Colorado 5500 ft elevation from the midwest 600 ft elevation. Changed prop from 21 to 19 helped a bunch. It would stall out around 2000rpm Changed plugs and new bulb. Have not changed the jets yet. Pulled front cover to look at carbs and they are clean. Last weekend...
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