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    Gulf Coast Hull Strength / Boad Hull Strength

    Hi all, I was hoping I could find some answers from someone in the know. I recently bought a 20' Gulf Coast High Side. I was pressing on the hull near the bow and aft. It's not rock hard like my buds 18' Champion. From what I understand all these boats are foam filled. The Gulf Coast is a...
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    Bogging problem Evinrude crossflow

    Hi all. I have been trying to figure out a what seems to be a fuel problem. This is an evinrude '73 V4 crossflow. I can get on plane, but after a few moments the engine dies down, as it's in need of fuel. Squeezing the primer bulb does nothing. Depressing the choke primer helps a little but...
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    jetting chart

    Does ne1 have a jet chart for a later model V4 crossflow with the carbs that have 2 idle air jets, 1 air WOT jet, 2 mid fuel jets, and 2 main fuel jets? 1 3/8ths carbs, sorry, I don't have a part number. These carbs were also used on the v6 235's.<br /><br />thanks
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    Prop Recalibration

    How much does it cost? How much pitch can be taken out of a prop? Should it be done? Does it take away from the prop?<br /><br />I have a teflon coated SST-2 prop 23 pitch and need 3-4" pitch taken off.<br /><br />Easier to sell and buy right kind?<br /><br />Talk to me houston!
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    airbox cover V4 Rude

    Can someone tell me where the fuel pump connects on the V4's that have the plastic airbox cover with the intake scoops on the sides? got a pic? With my luck they changed fuel pumps!
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    prop. selection

    Could someone give me a basic range of a prop pitch in a 3 blade SS. I am guessing I have 120hp at the prop(73' 135 V4 rude(crossflow), it has been ported with square ports, forged pistons, stuffed crankcase, B.B. exhaust) it's on a 74 wellcraft 17" center console V-hull. I have 6" setback with...
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    Prop selection

    Could someone give me a basic range of a prop pitch in a 3 blade SS. I am guessing I have 120hp at the prop(73' 135 V4 rude(crossflow), it has been ported with square ports, forged pistons, stuffed crankcase, B.B. exhaust) it's on a 74 wellcraft 17" center console V-hull. I have 6" setback with...
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    Primer fittings

    I have a factory V4 140 intake manifold. I have no idea the year, but the primer solenoid connects to 4 fittings on the intake manifold. I took all 4 fittings out and sprayed cleaner/air through them. It seems that I can spray air through the back side and air comes out fast. But if I blow air...
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    Head year and motor

    307711 and 312065. What HP and year did these V4 heads come from?
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    What does it mean when

    You have an arc jumping from the spark plug boot to the side of the spark plug insulator, running down the sides. Has anyone seen such a thing? Insulator is not cracked(that I can see).
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    JohnRude V4 Powerpack Non-Rev limiter

    Does anyone have any numbers for V4 crossflow powerpack(single) without rev-limiter? 1973V4115HP<br /><br />Thanks
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    Dhadley, talk to me

    welp... I had to tear her down. 115hp crossflow 1973. I swapped carbs, didn't check the mixture, coked up and scored 1&3 pistons. I have a few questions for you if you would be willing to help. <br /><br />What is the ideal piston to wall clearance and ring end gap for weiscos, forged?<br /><br...
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    How much compression is too much?

    Does any of you veterans out there know the max compression that one can have with 87 octane and good TCW3 oil. Is there a "best" mixture to use with higher compression?
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    Electric fuel Primer

    I am adding an electric fuel primer to my 1973 evinrude 115hp. Could someone tell me how it works? Does it have a restrictor so that it does not pump a boat load in the intake? Is it only 1 cylinder the fuel enters? I have a 140 intake that has the 1 port for the fuel primer on the intake. Does...
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    muff idle and in water idle

    115393M 115hp evinrude.<br /><br />I have not kept track of hours on the motor since rebuild, but have kept track of fuel used. Is there a magic number to look for is fuel consumption?<br /><br />I am having a problem with out of water idle at 1200, but in water goes to 700-800. If I set the...
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    1973 Evinrude 115HP Break-in.. Sunny Day

    Today was the day! Took her out to break her in. The anticipation and excitment was so high I almost didn't want to go in fear of trouble. It started out pretty flat then came the wind. <br /><br />This thing blows the oars out of the old set-up 115! The boat is launching out of the water and...
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    tilt and trim

    I have a 1973 rude 115hp. I have the tilt and trim assembly, but it's heavier than snot. 2 brackets, 2 cylinders and a hyd. pump. I have been looking around and have seen the fasttrack tilt systems. They seem much more compact and lighter and work from the center of the transom mount. Is it...
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    oil dripping from skeg

    As the motor sat overnight some black oily substance is dripping from the skeg, coming from inside the LU. I thought maybe I had a leaky seal but I pressure/vaccum tested the lower unit prior to install. The oil is black in color. I have not had the unit in the water as of yet. This morning I...
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    V4 Coils

    I am looking to buy new coils. I have the kind that the spark plug wires are non-removable :( Is it possible to get new ones, the same style, that have removeable coil wires?<br /><br />Model # 115393M rude 115
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    Shift rod height 1973 115 hp rude

    I would like to double check my manual. manual says 21 13/16... but is says long shaft. This number seems too long as I am have the adjuster on only about 1/4" of the threads.
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