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    How to tell what lower unit I have?

    Looking for info on how to tell what lower unit I have. I had a guy that works on OMC outdrives come and adjust my shift cables and he said I had a 4 cyl lower unit on the upper and my engine is a 350 chevy. How do I tell for sure what lower unit I have. He said the diameter of the prop shaft...
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    Bayline Toph maiden voyage with prolems

    So I finally got my 24' 1987 bayliner trophy ready for her maiden run. I recently replaced the original omc 305 with a 350 chevy truck engine. I also replaced the outdrive because when I bought the boat it had no outdrive. Anyways when not running it shifts into f-n-r just fine. But when the...
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    Need to know outdrive gearing

    I have a omc cobra outdrive on a 87 bayliner trophy. I bought the boat without an outdrive and bought a used rebuilt outdrive from a guy that said it was off a 350 chevy. The boat originally had a 305 but I switched it out with a 350. I took the top cover off of the outdrive and counted the...
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    Any Bayliner Trophy 350 V8 owners out there? Need prop size info

    Hey guys, im looking for some input of Bayliner trophy 350 V8 Omc Cobra owners info. What size prop do you have on your boat? I bought my boat with no outdrive. I bought another outdrive but I think it has to small of prop. I need to know the corect prop size. Any help is greatly...
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    How to tell if I have a marine carb?

    Re: How to tell if I have a marine carb? here is a pic of the carb. Sorry I have been away for a few days.
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    How to tell if I have a marine carb?

    I bought 1987 Bayliner trophy as a project boat. I am not sure if it has a marine carb on it. The carb is a rochester quadrajet but it does not have a j tube. Do all marine carbs use a j tube? Where te J tube should go its like a normal angles piece tube but right below it it looks like the...
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    bayliner trophy owners help plese! What prop to use?

    I have a 1987 bayliner trophy 24ft with a 350 chevy and omc outdrive. I bought the boat without an outdrive so I bought a omc cobra outdrive. What is the size prop for this boat that I should be running. Im assuming the prop thats on the outdrive is the wrong size since this outdrive was off of...
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    What is the best electric fuel pump to work on my 97 bayliner trophy?

    I am installing a electric fuel pump on my 87 bayliner trophy. I replaced the motor with a newer non vortech 350 so I have to use electric fuel pump. My problem is all the pumps push fuel. My fuel outlet is on the top of my tank. I can mount the pump a little bit lower than the top of the...
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    1987 24' Bayliner Trophy low voltge at fuse panel

    I have a 1987 Bayliner Trophy 24' boat. Last year I bought the boat and it needed the engine replaced. Everything worked. Starter engaged and all of the electronics worked. Well I changed the motor and now my electronics wont work. Bilge pumps, nav lights, blower, horn, wiper etc wont work...
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    Electric Fuel pump selection help please!

    I have a 1987 Bayliner Trophy. It had an omc 5.0 in it but I am swapping it out for a 350 chevy. The motor I got is a truck crate engine. After I bought the motor I realized that where the mechanical fuel pump goes it had a block off plate mounted to it. I just figured Id take the plate off...
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    Truck motor swap...should I swap cam?

    I have a 1987 2450 bayliner trophy with a OMC 305 with cracked block. I bought a used gm goodwrench 350 crate motor with 17000 miles from a 1989 K2500 that I am going to install in the boat. Boat also has a OMC cobra outdrive. Should I sawp the cam with a marine spec or use the stock cam...
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    Need to know what size prop

    I have a 1987 2450 Bayliner trophy. I bought the boat with no outdrive. Originally it was an OMC outdrive and a OMC 305. I am putting a 350 chevy in it and I bought a OMC Cobra outdrive for it. Since the outdrive is not the original im not sure if the prop is the right size. Anybody have...
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    chevy tall valve cover fit question

    I am going to be running a 350 chevy in my bayiner trophy and wanted to use the chevy orange tall proform valve covers...http://www.summitracing.com/parts/PRO-141-924/. My question is will the tall valve covers clear the omc water jacket manifolds. Is anyone running a setup like this? Thanks
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    350 chevy engine rebuild question

    I am new to this site and I have a couple of questions as this is my first marine rebuild. I have a 1987 2450 Bayliner Trophy. The boat has an OMC outdrive. Its not the king cobra. The boat had an OMC 305 chevy in it. The previous owner did not drain the block abd the block froze and...
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