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    Omc to mercruiser

    so i've finnaly got fed up with my dam OMC no one knows why it wont run over 4k rpm and i figure over the course of winter i could watch craigslist and buy a farely decent set up. right now i have a ford 5.8l 351 and a cobra outdrive, 23 foot cuddy. i would really love to go to a 454 and bravo...
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    high speed tubing/skii

    so this weekend i seen a 35 foot? powerplay/powerquest/baja/scarab not sure on the brand but similar type of speed boat. guy backed his power boat into the water and i noticed an 8 inch skii pylon, i said do you really tow skiiers behind that? he said yah, skiiers and tubes. he told me he does...
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    poeple putting stuff on your boat at a beach?

    ok so this weekend we were camping out at the back waters of tippy dam 2 sites togather we took the 1 and some other people came in on the 2nd site later. there is a relitively small beach 40 foot long and theres logs littering the beach beyond that so only 40 feet to beach the boats and swim...
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    backfire where to start doing what?

    ok so my basic problem is over 4k rpm the engine will lose power and backfire then i have to return it to idle and its fine till i go over 4k rpm. i can run the motor at 3800-3900 all day long without issues. engine, 1991, 5.8l, 351, cobra 430 hours and growing replaced so far with in the last...
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    idiot sail boat prep

    yesturday i went to the launch, this particular launch has a rigging areas on both sides of the road, you can only rig sailboats on the side of the launch, some dum consumers company put telephone wires to low and sometimes you see a mast hit them its funny. there is also only about 25 parking...
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    rpm back down then backfire

    engine, 5.8l 351 ford hull, four winns sundowner 225 outdrive, cobra gas, mid-grade prop, 15x15, 15x17 max rpm 4k-4,400 my problem, at wot or 4k+ rpm i can only do about 200 yards and then the rpm drops slowly about 500, then starts to backfire. i then have to return thottle to idle and wait a...
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    painting outdrive

    i have a 91 cobra outdrive just wondering if any one has painted there outdrive, the original paint is half gone and peeling, i need new zinc anodes i think. this is how i bought it, shifts and drives great i just want it to look great. thinking it would be easier to remove upper and lower to...
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    changing 15x17 to 4 blade or ss

    omc cobra 351 ford 5.8l 15x17 michigan wheel aluminum its thick and dull no sharpness wot 4000-4100 rpm speed 38-40mph 15x17 michigan wheel prop. 011007 stamped on it 1991 four winns sundowner 225 trailer and boat wiegh 6200-6300lbs so about 5000 lbs boat bernett hydralic trim tabs maximum wot...
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    LED'S vs old submersibles

    just wondering how many people out there have switched from the older style submersible lights to the newer style LED'S? currnetly i am running the older submersilbes and i rewired some sidemarker lights that were LED'S and i was looking at the $100.00 set of LED lights, seems like a lot of...
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    240 degree temp

    so iw as runnign about 3k rpm about 30 mph give or take and about half way across the lake i look down and my temp gauge says 240. i about **** my pants as i shut the motor off, just replaced impellor like 2 weeks ago and this was really making me angry. i pull the cover off the engine hatch and...
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    rpm drops by itself

    i just seen a post distcribing almost the same problems as i am having but dont want to hijack his thread plus he had changed out his heads i have not. i finaly got my esa problem corrected and another problem occured today i think i know what it is but going to double check with some of you...
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    perfect wieght or what?

    ok so i bought my boat back in august last year first peron who called after guy dropped price for end of the year sale lucky you might say. its a 1991 four winns 5.8l omc with cobra outdrive 55 gallon tank that was basically empty. price $4500.00 firm, he wouldnt budge on the price i tried to...
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    few basic questions.

    ok i just recently got my boat running good again thanks to some smart people describing how to set my esa. motor: 5.8l, 351 ford outdrive: omc cobra year: 1991 hull: four winns sundowner my questions are: 1. there is a black hose probably 3/8's that is secured unto my starter, looks to be...
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    15x17 prop 3 blade to 4

    currently running a 15x17 prop 3 blades i would like to switch to a 4 blade so i could tube easier plus once i get 5-6 people on board takes a little bit to plane even with trim tabs. engine: ford 351. wot rpm: pushing thottle and trimming up to hit 4100-4200 outdrive: omc cobra outdrive...
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    stumbling like it has a miss

    on-going problem still... 1991, omc, 5.8l, 351 ford, cobra so when i put the boat into the water can stat it up and start putting towards the no wake bouy once i get past the bouy and try to accerate the engine will stumble like its got a miss or something. wait 5-10 seconds and it speeds up...
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    5.8l rpm limit?

    i have an omc 5.8l 351 ford with cobra outdrive year being around 91 wondering what the aproximent rpm should be at on wot. currently its about 4100-4200 if i trim up which puts top speed nearly 40, 1 person full tank of gas. currently running a 15x19 i believe? michigan wheel 3 blade...
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    problem occurs randomly..........

    ok so by now this is my 3rd post and each time i get a new diagnosis after i fix what i thought was the problem.... as far as i know... 91 351 ford motor cobra outdrive what i've done so far: changed fuel filter. checked 55 gallon gas tank for vent issues and/or crimpt gas lines. changed...
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    5.8l sputters at .5-1 rpm then runs great

    1991 four winns 225 sundowner 351 ford read post #5 new issue
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    omc 5.8l stalling 2k rpm

    i have a 91 four winns sundowner 225 i believe its the original 5.8l omc hours at about 412 bought boat and it had no issues for maybe 2 months. now every time i take it out it starts up no problems and idles out past the no wake zone once i start to accelerate slowly over 2 or 2 1/2 rpm stalls...
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