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    5.7 Alpha 1 thunderbolt 4, randomly shut off at cruise

    Hey all, Have a 93 Ciera 2655 with an early alpha 1 gen 2 outdrive and a new (13 hours on it) 5.7. Full closed loop cooling. Today I was running it at cruise ~3400 RPMs and planed out. Suddenly she lost power and stalled. Reset the shifter to N, cranked it and she fired right up. Got it...
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    93 mercruiser 350 dies ~40% of the time when shifting to N

    Hi guys, right off the bat, it’s not the intermediate cable (replaced last year) and not shift interrupt switch (just replaced). Has new carb... Choke, idle mix and Idle speed adjusted and set to spec. Timing to spec, and newish spark plugs. Shift cables adjusted to factory spec. New cap and...
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    Should water becoming out of here?

    See picture: Water is bubbling up an out of this area, is that normal?
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    Shift Shaft Bushing (where speedo connects)

    How does one remove the old bushing, I'm assuming the shift rod needs to come out? I've found conflicting info online and no videos on Youtube.
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    Filler block toast? (Water pump Replacement)

    Hi guys, Doing my water pump and I noticed that the filler block top looked pretty squished and it might be time to change, see pic... The top had some loose material I pulled off. If I replace this do I need to run a bead of RTV on top? I saw someone online use hi-temp RTV to "help keep...
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    Thunderbolt IV woes

    Got to love boats! Fixed a cracked head only to have a no spark (no power at coil) issue, after putting her back together. Triple checked all wiring connectors in the engine compartment. Cranking but no fire., Tested kill switch - ok, tested ignition switch ok. No 12V at the red/white wire...
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    350 Lifers & Valve Lash oh My!

    Hello gentleman, So I have installed a new head and now it is time to install the rockers. When I have built an engine in the past, I use the hotrod magazine / dry lifter method. That is, do not soak them and pump them manually. Instead you coat them with assembly lube and drop them in...
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    Cracked head on 350 mercruiser

    Hey all, got 2 hours on my ATK DMM6 marine engine and was chasing an exhaust leak. Ends up there is a small crack on the head. Anyone know the head casting number offhand that was used on these mercruiser 350s, 1993?? I won't have a chance to pull the valve cover and check for a few days and...
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    Best way to fill a transducer wire passthrough

    First time I've had to drill a hole through the hull to pass my transducer wire through. What is recommended to fill the hole around the wire to make it water-tight?
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    Trim Ram Question

    Working on a buddys old 68 Bayliner... He smashed the sterndrive on a rock and one of his trim rams exploded. We replaced it (2 line model) and it will trim up perfectly fine. However when we trim down it gets hung halfway and sounds like its struggling. When we release the down button she...
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    Noise around 1500 - 2500 RPMs

    New to boating, was just curious if this is normal or the gimble and/or ujoints, something else?? Video starts with the noise happening, i adjust the revvs and it goes away, play with it and the noise comes and goes, you can hear again steady when the video ends.. The audio is lack luster but...
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    Noise around 1500 - 2500 RPMs

    New to boating, was just curious if this is normal or the gimble and/or ujoints, something else?? Video starts with the noise happening, i adjust the revvs and it goes away, play with it and the noise comes and goes, you can hear again steady when the video ends.. The audio is lack luster but...
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    Tapping into Toilet Water

    I know horrible title. Anyway, I want to install a pump and deck washdown on my boat. In order to reduce the amount of thru hulls on my boat I was thinking about "T"-ing off the toilet water line. Does anyone think this would cause an issue? Thanks
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    Fuel/Water Separator Input on Alpha 1 Gen 2

    Hey guys, quick question Anyone know the thread size/pattern or part number for the brass barb fitting on the fuel/water separator, input side? I need the same part so I can use it on the 2nd output side to feed fuel to a kicker motor. For a reference it is the brass barbed fitting next to...
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    Kicker Mount on swim platform

    Hey guys, I am mounting a kicker mount for a 9.9 trolling motor on my Ciera. Any recommendations on what I should use as sealant on the bolts going through the platform? I was thinking a good glob of marine silicone but I want to make sure it is sealed well. Thanks!
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    Ideas for a home-built hardtop?

    Hey guys, So I am thinking about building a custom hardtop for my 93 Ciera 2655. I wanted to get peoples opinions on some options? Based off the current slope of the glass windshield and the near vertical slope of the plastic windshield, headroom is a concern with the hardtop design. Picture...
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    Replaced engine - won’t stay running

    Hey all, just replaced the 305 with a 350 in my ciera. Everything went smoothly for the most part. I went to start it and the only way it runs is if I pour some fuel in the carb. It ran for a while like this, but I had to keep revving it. Now it just dies after the fuel in carb is burned...
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    Running Hydraulic Lines

    I just finished up replacing the hydraulic lines (for trim control on the stern drive) in my boat. what a PITA!!!! For future reference is there an easier way to do this? Ended up feeding them through the transom from the outside but still took me a lot longer that it probably should have...
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    Transom Water Pipe, should I replace?

    Was replacing my hydraulic lines this evening when I noticed a lot of white goo around my water pipe coming through the transom. Removed the hose and it looks a little rough. Since I'm new with boats, does this look like I should replace it? Better to do it now while I am in here I suppose...
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    Oil Additive to prevent sludge build up??

    Hey all, Normally I shy away from additives, especially for oil, as regular oil changes tend to eliminate sludge build up. However I know boats tend to have build up on the bottom of the pan, since they are not drained from the bottom, generally. My new 350 is about together and I will soon...
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