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    Gel coat repair gone wrong

    What surface prep are you doing on the gelcoat repair?
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    Coil

    You can test the coil in question with a multi meter. Chances are its not the coil, they do fail but rarely.
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    Does the antifreeze you use really matter?

    Ehh sorry. That was burst rating. Mercury - Mercruiser 92-8M0073203. Says Provides freeze protection within a range of ‑58ºF to ‑63ºF (‑50ºC to ‑52ºC)
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    Does the antifreeze you use really matter?

    I still choose to put -73 C (-100 F) stuff in my block. I don't like taking any chances with how cold it gets where I live. I like the peace of mind. If you feel comfortable with the -50 stuff then by all means can use it. Yes it might seem silly to just drain it out afterwards after...
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    Does the antifreeze you use really matter?

    There would I assume be some slight moisture during the fall and spring when it's cycling between frozen hoth temperatures and springtime. But it evaporates or escape through the openings. I have been winterizing mine this way for a couple of years. Air doesn't freeze as many have said before on...
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    Does the antifreeze you use really matter?

    A better question is: I assume you are running in fresh water (being from Ontario myself). If that is the case I would drain the block, put the plugs back into the block run antifreeze through it then drain the antifreeze out and leave the block drain plugs out. I regularly see weeks of -40s...
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    OMC Cobra Lower unit replacement

    On my omc cobra it still has a metal aluminum plate that's riveted onto the stern drive. Start with looking for that. It's about 2"x1". You will need some specialized tools to take it apart but it is doable.
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    1990 Four Winns Freedom 195 with OMC 4.3ltr work in progress

    A note about replacing the oil in the outdrive it needs to be done in a specific way (different then any other gearcase oil replacement). Without my manual I can't remember how. It's not something to play around with as if done incorrectly can trap air inside and burn up the outdrive.
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    1990 Four Winns Freedom 195 with OMC 4.3ltr work in progress

    As far as the outdrive goes drain the oil and pressure test (and vaccum) replace oil if the passes tests. Grease the zerk fittings on the ujoints and the transom mount. Inspect the bellows (the ujoints bellows being the most important) replace it if it's cracked. Check the u joints bearing in...
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    Bravo 3 passed pressure test but fails vaccum

    Is your vaccum tester working? Just a thought (mine was broken/ not working properly till I borrowed one and discovered that was the problem)
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    1996 Four Winns Sundowner with 5.0 Cobra engine and drive

    I just changed mine this spring. You will need to take off the stern drive to change it. You won't have to remove the engine to change it however you will curse the whole time you do it. You will be laying on top of the engine basically. Although it does look like you have more room to the left...
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    OMC 4.3

    Veryify what Bondo stated and then depending on how long it has been sitting since last start might need to get your starter adjustment tool out and give it a few taps (hit it with a hammer or a rubber mallet half a dozen times).
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    A prop question (enertia or other versus older props)

    Not sure how to tell if it's cupped. The subtle between props is unknown to me at the moment. First time I've owned a bigger motor besides 25hp 2stroker. I could take a picture of it along with pulling up the old model numbers. The stainless steel one I put on was indeed a omc prop. I never...
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    A prop question (enertia or other versus older props)

    No offense was taken. The 18" inch pitch should bring it closer to the higher end of the rpms. Why I was wondering about only ever seeing them on odd numbers. I will be looking at either 18 or 19.
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    A prop question (enertia or other versus older props)

    Tachometer is correct. I've been testing on the same day a few hours a part from each other. Compared the tach on the dash with a digital timing light. My boat as you would expect with a stern drive is a fiberglass deep v hull. It's heavy haven't weight it yet (donzi ragazza 19'). It's got a...
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    A prop question (enertia or other versus older props)

    By math that is correct as well. Just didn't know about the diameter change and the over all design of a old prop versus something newer? Not even sure if they would be all that different in there designs that would impact the rpms.
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    A prop question (enertia or other versus older props)

    Currently have a a 4.3l v6 omc fresh rebuild. I've experimented a bit. The prop it came with, old aluminum prop 14.5 x 21 wot at 4300rpms full tank two adults. I got a dirt cheap stainless steel prop same pitch and diameter (14.5 x 21) 3900 rpms same scenario with weight factors (once again this...
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    OMC Cobra Shifting Issue

    Your going to want to do a bit of reading and get yourself a manual as well. If someone has already been fiddling with it no telling of they set it up properly or not. If it's done incorrectly can do a lot of damage to the lower gears. http://www.hastings.org/~stuart/cobra/kw-shift.html Start...
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    Houston….. We’ve had a problem…..

    How would you describe how hard it was to turn the alignment tool. I've often wondered if I did my correctly last year. I read that it should turn with 2 fingers and a thumb. I had the engine out for a rebuild. I didn't adjust the engine mount stands when I took the engine out. Everything...
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    Installing new bellows

    My bellows are cracked but still watertight. I was in such a rush last summer to get the boat into the water after the engine rebuild at the end of the year (less then 20 hours on the new hour meter) that I didn't change them. Kinda kicking myself that I didn't since I had the drive off to...
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