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    Dual station electric oil pressure gauges read low and other issues

    I notice when I turn the key to on, the oil gauges move up to read maybe 10 lbs? Without the engine running. I have mechanical gauges and they read normal, about 10 to 15 lbs higher I checked the sender ohms, and it reads 120 ohms with engines off, so they are dual station senders. I swapped in...
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    will a severely barnacled hull prevent engine from reving up to full speed?

    The hull of my 37 foot boat is loaded with big barnacles which has hurt our forward speed. I found out yesterday on the water that the engines wont rev past 2500 rpm doing a WOT test. I remember years ago they would rev slightly past 3000 rpm. They dont miss overheat and run smoothly with good...
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    Ebay Cat filter water separators for $8.99

    Wanted these to perhaps setup a portable tank polishing system and got them for good price. cat 252-6338 uses a napa 3166 fram c1191a wix 33166 http://www.fleetfilter.com/filter/33166.html, under $10 per filter So looking at these, they have a thick GLASS not plastic bowl, the sealing rings are...
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    electric fuel pump with water separating filter, pull or push plus regulator where?

    I am redoing my fuel system going from mechanical to electric. Tanks also have the anti siphon valves. And I do have them wired with the oil pressure safety switch. I thought to put 2 water separating filters in front of the pump and mount a regulator on the pump then onto the carb. I like the...
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    3 prong oil pressure switch and electric fuel pump, is a fuel pump relay needed?

    I am converting the boat to a holley red marine electric pump. The safety switch I am going to use is a gm 3986857 3 prong oil pressure switch. Has a common, NO, NC prongs. Can the electric pump use the switch without a relay OR is the electric load running threw the switch too much for it...
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    Fishfinders Use Head Unit With Other Make of Transducer

    How about taking a 6 pin garmin in hull bronze transducer with speed, temp, depth and matching it to a Lowrance X52, X102C head, considering I have the pinouts of both items? Do people mix and match these things? this is the transducer...
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    aluminum hot water tank on boat

    I took it apart since the sheet metal was rusting and noticed some small corrosion where the fittings screw into the tank. How do you feel about aluminum for water? I don't drink the hot water and the storage tank is stainless steel, and the pipes are all copper. I read that aluminum plaques...
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    fuel water separator almost worthless for ethanol laced gasoline?

    I was just thinking about this. It takes only a small amount of absorbed water for the ethanol to phase separate out of the gas. seeing it is at least 10 % ethanol, that means in a 100 gallon tank, 10 gallons of ethanol-water mix will be sitting on the tank bottom. That is too much for the...
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