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    1989 5.7 Quadrajet to Edelbrock 1409 swap help

    I have a 1989 mercruiser 5.7 with what I'm pretty sure is a Quardrajet carb on it. I'm tired of fighting carb issues every other year and really dont have the patience to deal with a carb rebuild. So I want to upgrade to a Edelbrock 1409 carb. I'm just wondering if Im going to need an adapter...
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    The Fish Licker - 1989 Cobia Odyssey spring restoration

    The boat is a 1989 Cobia Odyssey 265 FC that I used for salmon fishing on Lake Michigan. The boat is named the fish licker due to that fact that my jack russell/dachshund goes nuts every time he hears a drag clicker go off on a rod. He then balances on the transom and/or the engine cover barking...
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    What to coat drink cooler/minnow box and how to insulate

    I am in the process of redoing a drink cooler/minnow box on my boat. It was previously gel coated and then someone at one point painted on the inside with some crappy paint. I'm in the process of sanding the old paint off and filling in all of the gaps and cracks. Can I just recoat it with...
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    5.7 mercruiser dead on 2 cylinders - need some opinions and advice

    Had a bilge pump fail on me while I was washing down the boat after a long fishing trip. The back of the boat dipped enough to cause water to come back up through the exhaust riser and then cracked the head. I had water in only one cylinder (#6) as a result and we found which one it was by...
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    Need some advice on replacing floor in the cabin

    Last year I replaced the stringer under the cuddy cabin floor. After doing the beam walk the entire year, time to put an actual floor in it. I was going to use 3/4" plywood and soak it with epoxy and then apply glass to both sides. So just a couple questions? Should the floor rest at all on...
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    Need an official materials list for painting a portion of my boat.

    Need an official materials list for painting a portion of my boat. I know there are a ton of threads about how to paint a boat but they all seem to have conflicting information. All I want to do is repaint the grey part of the boat. Its still original 1989 gelcoat. I spend about 8 hours every...
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    Merc ruiser all gauges and trim pump arent working

    Boat is an 89 25' Cobia I/O with a 350 5.7 mercruiser. I was wiring up some new electronics and pulled out a keyed on yellow wire that someone had jumped off of the blue wire that runs the lights on all of the gauges. I cant find the source of the darn yellow wire that I pulled out by...
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    Help relocating battery switch

    I need some help relocating battery switch. Its currenlty located in the bilge/engine compartment right next to where the batteries sit. Doesnt really make it easy when you have to remove the full engine cover just to switch between batteries or to cut power in an emergency. Is there a proper...
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    Need speaker recommendation for a new stereo setup

    Im in need of a speaker recommendation for new setup. I just need some clean crisp sound for when I'm salmon trolling and be able to crank it out a bit for river cruises without distortion. I dont want to go with subs or anything too crazy. Wouldnt mind some speakers that can handle some bass...
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    What is the proper way to hook up 12v cig adapter/outlets

    Im replacing all of the cig adapter/outlets on my boat. There are 2 to 3 on each side for running various temporary lights and for charging cell phones. I already have the marine duplex wire and have a fuse panel in the back of the boat. So the question is, can you daisy chain them together -...
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    Broken bolt on Mercruiser Alpha One Gimbal anode

    Was replacing a really corroded Mercruiser Alpha One Gimbal anode and one of the bolts just snapped right off with very little pressure on it. I tried and easy out....and you can guess what happened - the thing snapped right off inside the bolt. So now I'm stuck. Should I just replace the...
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    Need some help with replacing keel stringer in 25ft power boat

    I tore up the floor in the cuddy cabin and found a rotten keel stringer. It rotted because they did a horrible job of glassing it in and someone nicked a huge hole in it when installing the stand for the table and for a drain. The actual piece of wood only goes as far back as the bulkhead for...
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    Need some advice on a middle stringer under the cabin floor

    I have a 25 foot cabin cruiser. The floor in the cabin was a bit weak, so I cut it out to replace it an epoxy and glass a new floor in. I checked out the stringer and found that it wasnt sealed at the front and there were a few holes in it where someone had drove screws through. I chipped...
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    Need some advice on repairing chips in the deck where the motor cover slides

    I need some advise on how to repair some chips in the deck of my boat where the motor cover slides on and off. Over the years, it has just worn down a few spots down to the fiberglass. Just need to know what the best way to repair these areas so it will hold up reasonably well. Here are some...
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    Need some help with the ID of a merc out drive

    Boat is a 1989 25ft cobia. I need to replace the bellows, seals, and zincs, but need a positive ID on the drive first. I think it is a alpha one gen 1, but not sure. It has a Quicksilver Repower sticker on it, but the serial number on the sticker is long gone. Here are the pictures. Let...
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    Need some help with a through hull right at the water line for a wash down

    I have a 1989 25ft Cobia Odyssey. I have a 2" hole on the back transom where they had routed an crazy old transducer plug through at one time. When I got the boat, I took out the old tranducer wire and blocked the hole with a drain plug plate and some 4200. It is right at the water line...
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    Need some advice for coating of a base for a double boat seat

    Im in the process of rebuilding the base of a double boat seat. It was a fold out seat, but I decided to make it a fixed seat. I am going to put a locking hatch on once side and then leave the back side open to throw gear in. Its made out of 3/4" acx plywood. The entire boat deck is all...
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