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    Plug Wireset for Mercruiser 3.7 (470)

    Possibly dumb question, but I have spent way tooo much on my engines and i am trying to find any way I can to save a few bucks... Is there any 8 cylinder plug wire set that will fit into the mercruiser 3.7 4 cylinder engine? I ask this because I have twin engines and I always need to buy 2...
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    Q about FlatRate manuals

    I have a friend who has a small boat/engine repair business here in FL. He has been looking for a industry standard flatrate guide. I found one from a site called Spader.com. But they are asking nearly $1K for this... Is that normal? Can anyone help me find something cheaper for him?
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    Gas Gen suggestion?

    I am thinking about putting in a gas gen into my 26 ft cruiser. I read through a bunch of posts here, but i was hopin for something a bit more personalized for my application. I want to do this so i can use all of my galley electronics while on the water, currently its all shore power hookups...
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    maiden voyage-- What do i need onboard?

    I am sure there are many posts like this already. But i did not really attempt to search them out, i wanted one of my own with my own situation and location. I recently rebuilt the twin engines in my boat and next weekend were going out for our first test run in the water. The boat is a 26'...
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    Changed Gimbal Bearing-- Outdrive Very Hard Install Alpha 1 Gen1

    I just changed out my Gimbal Bearing, and installed the outdrive back on. The end part of the yoke with the two seals did not want to go into the bearing, it was VERY tight. I basically had to force it in with a couple bangs and then tighten it up about 1" with the nuts. I really hope by me...
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    Which part number is it? Exhaust flap

    I am looking for the exhaust flap which fits my application. I have a 1988 mercruiser 470 3.7 ltr, its a newer model type exhaust for a 470. I found a whole bunch of mecruiser exhaust flappers/shutters but none which specify its for my exact type of exhaust.
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    Another water in oil thread

    This is driving me crazy!! 1989 Mercruiser 470 engine. I have rebuilt these engines already a couple times, one engine i did is great with no issues, the second engine is getting water in the oil somehow which i cant figure out how... At first i thought it was a bad head, so i took the head to...
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    Solas Alcup 3 Propeller

    Has anyone used these props? I am looking to replace the 15x17 props on my alpha 1 gen 1 outdrives, i just purchased one of these from Ebay for $50, just wondering what i should expect, or should i just keep em as spares and use some other brands as my mains.
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    Deep Sea St Augustine FL

    A buddy is coming down for the weekend next week. My boat is out of commision :( We are looking to go deep sea fishing for one day on the weekend. Anywhere on the east coast of FL!! Anyone know of any good private charters that go out for the full day for deep sea gulf stream fishing? (or if...
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    Steering Alignment??

    Pardon my ignorance... I am in the middle of a fixer-upper project on a 26 foot family cruiser with my aging dad :D, which has 2 engines. We had to replace the steering cable due to it being frozen beyond repair. We did put in the new cable and all works well. :) My question is, with the dual...
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    Steering Problem

    Hello, I am hoping can get some pointers on freeing up my seized steering cables. I have a 26ft cruiser which has power steering and a 2 engine setup. Just today i decided to start troubleshooting the stuck steering. So i took the power steering completely off from the steering cables to...
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    Which prop would you go with?

    With a 26ft Cabin Cruiser, 10ft beam, deep V hull... Running off dual Mercruiser 3.7ltr, 190HP each. Outdrives are SE109 (Alpha 1 Gen 1 replacements). Both engines have just been completely overhauled and rebuilt, they have less then 5 hours on both, with no load, just breaking in. We have yet...
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    Rebuilding Trim-Tilt cylinders

    Does anyone know of a good guide or even better a video on the process of rebuilding the trim/tilt cylinders? I recently rebuilt two mercruiser 470's and purchased two SE106 1.81 ratio outdrives. I have not even tested the trim/tilt yet, but its apparent the cylinders are stuck. I'm hoping i...
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    Merc 470 Exhaust Valve?

    I just finished rebuilding a couple 1989 merc 470's. I got both running great, but started having major issues with one. Apparently something went wrong with my rebuild and water is getting into the oil causing a milkshake... So i checked the cam seals first, and checked if the weephole is...
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    Merc 470 Carb Q

    In my merc 470 we have the 4 bbl rochester carb, with the alum manifold for it. My Q is about changing the carb... I would really LOVE to put the 4bbl marine edelbrock carb if its interchangable... Would this carb fit? Or would any non merc or rochester 4bbl carb go on this engine?
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    ideal running condition merc 470

    So i have this thread going "my merc 470 rebuild" which many of you have chimed in on and helped me tremendously. The rebuild has taken quite long but we have the engine running and it sounds nice. We were measuring Oil PSI and Water Temp, water temp was at 150f peak and Oil PSI was reading at...
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    Merc 470 Rebuild, issue with cooling system

    We were running the newly rebuilt engine today for a few minutes, out of the boat with a running water hose connected to the inlet, for the raw water cooling. The raw hose water kept on running for a few minutes when engine was shut down. We later found water on all 4 plugs and in all...
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    Cant get Alt conversion to work properly merc 470

    Hey folks! We managed to get the engine started and running with no issues, but it seems the Alt kit we got from breezeworks is either not working (bad alt) or not installed properly... Had the engine running for 5 minutes, shut it down, and brand new battery was drained 50%. Alt was REAL hot...
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    Outdrive for my Merc 3.7 non tested

    This outdrive... I dont know what type/model it is, and i have never had it tested or used... We took it off of a boat i recently got. From the picture you can see a pretty good sized hole at the back, it does not go all the way through, but i dont know how this could have happened or if its...
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    repaint outdrive

    I am going to repaint my outdrives. I hope i can get some advice. I am looking for a decently priced sand blaster, one which sells at local stores like HD or Lowes... I also am looking for the best paint to use?
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