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    engine coupler

    Hello all, March is approaching quickly and I've got an engine coupler to replace. Its in a '88 searay 270 amberjack with twin 4.3l and alpha 1 drives. coupler is not spun, but teeth appear to be pointed on port engine. I was thinking about laying a 6x6 across gunwhales and lifting motor...
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    switch from stainless to aluminum

    Hello, I have a '88 searay 270 amberjack w/ twin 4.3L and alpha 1 drives with 19 pitch mercury mirage stainless props. I want to switch to aluminum props and was told that I would need to increase pitch on aluminum props. Is this true? There are two reasons for the switch: The first being is...
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    twin 4.3L merc running warm at idle

    noticed today on shakedown cruise that my engines are running hot at idle (185), but when engines are throttled up, engines cool right down (145)......I will be changing impellers tomorrow.....any other causes of this that i should look for??? thank you
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    1988 alpha 1 remote gearlube reservoir

    is it possible to add the gear lube reservoir to a '88 searay with alpha 1's. This boat is moored all summer and i'm thinking this would give me a little more "piece of mind". Also, any information on where to purchase these would be helpful. thank you
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    alpha one oil change question

    1988 270 amberjack, twin 4.3L w/ alpha drives Winterizing boat and one of my drives wouldnt drain, so i split case thinking that the hole between the 2 halves was obstructed. once case was split oil drained from both halves freely. i checked everything out and seemed ok, so i put drive back...
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    omc charging

    '85 searay 255 amberjack w/ twin 3.8L V6's in front of 800 series omc drives. My problem is this: Both engines show that they are charging at 16+ volts when running. I am going to check voltage at batteries tomorrow with a meter, but my question is....is there anything other than the alternators...
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    quadrajet replacements?

    looking to either purchase new q-jets or replace them with something else. this is for chevy 3.8l v6's. i have had problems with these carbs since i have owned this boat (fuel bowls leaking into intake, hard warm starting, etc.) i have purchased remans with no luck. i think i can put new...
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    omc cobra service manual

    Does anybody have a link for omc cobra service manual? I see that merc manuals can be downloaded. thank you
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    Quadrajet problems

    Well...i have a carb issue with a quadrajet 4 barrel...carb was rebuilt over the winter (soaked and blown out with air) put the boat in last week, fine tuned idle mixture screws and let sit and idle for a good hour, no problems...went fishing the other day and both engines ran perfect....i troll...
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    whoops!

    ok.......i'm looking for a thermostat housing for a '85 OMC 3.8L V6...i wont go into details how the old one was lost....Ant help is greatly appreciated.
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    Anodes

    what anodes should i be using for freshwater (lake michigan)...i bought some on the internet last year and they still look new at the end of the season.....usually they are pretty ate up after 1 season in water.....not sure if they were zinc, aluminum, or magnesium??? what type is recommended...
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    omc gasket sealing compound

    what can i use instead of omc gasket sealing compound? is permatex #2 ok? i will be assembling a lower unit for a 800 series omc. thank you
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    shimming pinion shaft omc

    assembling a lower unit for an 800 series omc.....i do not have the shimming tool the manual calls for and i cant find one...is there any other way???
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    more omc problems

    well i was fishing out of michigan city, in on monday...i was running to 90 ft and about 70 ft the boat slowed and port engine tached out...lost outdrive....got boat home today and checked her out, removed outdrive, and tore into her ('85 omc 3.8L v6, 800 series strringer)...well i managed to...
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    4 bbl to 2 bbl

    Just a question to get a few thoughts....i have a '85 25' searay with twin chevy 3.8L v6's in front of OMC 800 series drives...i know, i know..scrap the omc garbage....but anyway...these have 4 barrel quadrajets on them and i had carbs rebuilt 2 years ago and they are harder and harder to fine...
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    warm starting issues

    '85 searay 255 amberjack twin 3.8L OMC 800 series drives.....I have warm starting problems with both engines (both have had FULL tune ups w/pertronix conversions)....It was suggested that my carbs are heat sinking and boiling fuel into intakes causing hard starting and flooding when engines are...
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    hard starting 3.8L omc's

    ,85 searay with twin 3.8L v6 omc w/ 800 series drives...have had this problem since i bought this boat...starts fine and runs fine when cold...runs great all day long......except when engines are warmed up, if shut down to get gas, fish, etc....they then start hard as hell...will crank and crank...
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    omc 3.8L exhaust manifolds

    will be repowering my boat later this year....'85 searay 255 amberjack w/ twin omc 3.8L....i suppose i should also replace exhaust manifolds since mine are 20+ years old.....problem is that i cant find any....has anyone used 4.3 manifolds...if so, what modifications were necessary? my current...
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    rebuild 3.8L omc V6

    Just thinking ahead to next winter.....I have twin 3.8L's in my Searay that are tired...both carry low oil pressure....I cant seem to find a place that sells remanned 3.8's, everyone sells 4.3's...so my question is: Do I yank and rebiuld those 3.8's or do I just replace them with 4.3's? If i...
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    omc 800 series uppers

    have 2 omc 800 series drives that were resealed last spring. Today I pulled boat out of water to fill up with gas (WHEW!!)...anyway, i thought i may as well drain gearcases and fill with fresh oil. Well,,,,both lowers were fine, and intermediates were fine, but...both uppers had water. One had a...
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