down on rrrs.
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down on rrrs.

  1. #1
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    Question down on rrrs.

    ok,, im pullin my hair out on this one! i sure hope someone can help,, last ride of the year, last year, the boat was pullin 4100, no problem, actually all year, did the winterize thing, put her to bed for the winter, pulled her out this spring, did the oil change, filter, hooked everything up, took her for a spin ,,,and now she only gets 3500,, had the tech, out last nite and he set the carb,timing, etc,, engine has only 30 hrs. on it. he says its not the engine???? could the pump be crappin out? it only has 40 hrs. on it. engine 351w ( i know its a ford), a.t.s.d.309. aa cut. 21 eagle e6.Could a bearing be screwed in the pump? wear ring? ???? Got a new wear ring, shim kit and new imp. any one got ANY ideas? thanxs for all info!!

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    Boat Nut sleekcrafter's Avatar
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    check the distributor, make sure the mech adv is working, also check the cap, make sure the button is not worn away. Fuel filter plugged?
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    put new fuel filter on last nite when testin,how do ya check to see if mech. advance is workin fine? tech said timing was good???

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    Boat Nut sleekcrafter's Avatar
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    put a light on it, see what total timing goes to when the engine is reved to 3000rpm's. If only checking base timing it may appear good, mechanical adv needs to happen as well.
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    arrrg, theres about 3inchs of room to shoot the light down on the front. but if thats whats gotta happen, then, well get er done!!thanxs sleeker craft,do ya know what the # should be at 3000? yur not tastin suds tonite are ya??

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    Senior Member lbhsbz's Avatar
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    wait a minute...a 351 spinning a AA? How much HP do you think this thing is making? 3500rpms is about right for 250hp, which sounds about right for a marine small block.

    Your 4100 RPMS would be in line for about 400+ HP.

    Maybe the tach started working right?

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    Senior Member OUTLAW HALLETT's Avatar
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    it may sound stupid, but check your carb linkage,, the same thing happened to me , and i found that the linkage had backed off a little and i wasn't getting full throttle any more,,,

  10. #8
    Senior Member Schiada 201's Avatar
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    That 351 Windsor is a great engine, there are thousands running around in boats, mostly ski tow boats. They can make serious HP with the right goodies.

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    Quote Originally Posted by OUTLAW HALLETT View Post
    it may sound stupid, but check your carb linkage,, the same thing happened to me , and i found that the linkage had backed off a little and i wasn't getting full throttle any more,,,
    tried that,, took the linkage off the carb, and ran the throttle with my hand, still nothing??

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    Default Fuel??

    Any chance there is some substandard fuel in the tank??.............Ray
    LOUD BOATS SAVE LIVES

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    last year the boat would get on step in about 3 boat lenghts, this year we bearly get on step??we hauled a moose, 276 liters fuel all campin, hunting gear, and all the other crap in the boat, up river and still managed to get on step in 5, 6 boat lenghts at 27.7 m.p.h on g.p.s.the engine is supposedly makin 330 h.p. with the heads and cam in it.

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    Quote Originally Posted by Moneypit View Post
    Any chance there is some substandard fuel in the tank??.............Ray
    we fuled up with fresh 91 octane before we started this year, but tech, noticed left side exhaust was a little cooler than rite side??? havent taken plugs out yet,there only 30 hrs old, but that might be the next step to try.

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    Default Hyd/solid?

    Quote Originally Posted by show u one time View Post
    last year the boat would get on step in about 3 boat lenghts, this year we bearly get on step??we hauled a moose, 276 liters fuel all campin, hunting gear, and all the other crap in the boat, up river and still managed to get on step in 5, 6 boat lenghts at 27.7 m.p.h on g.p.s.the engine is supposedly makin 330 h.p. with the heads and cam in it.
    Hyd or solid lifters?
    LOUD BOATS SAVE LIVES

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    Quote Originally Posted by Moneypit View Post
    Hyd or solid lifters?
    solid lifters, the engine has only 30 hrs. on it.

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