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  1. T

    Constant alarm but motor running fine - 2004 5.7l raw water cooled Thunderbolt

    I had a similar set up on mine where it was very difficult to access by oil filter. I relocated to top on manifold using schedule 80 ss. Lot easier to see if leaking and easier to access.
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    Constant alarm but motor running fine - 2004 5.7l raw water cooled Thunderbolt

    I suspect corrosion is causing resistance. However, always test via a manual oil pressure system, if you have one. They are a cheap safety device for peace of mind. This will eliminate any doubt that motor oil/pump is or is not providing adequate lubrication.
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    2 bottom bolt loops on y pipe broken

    I assume it still has flat surface after welding???
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    Transom plate / Gamble housing through bolts (Alpha1 Gen1)

    Indeed.
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    2 bottom bolt loops on y pipe broken

    If salt boat, you may have difficulties getting it re-TIGED. You may also have corrosion on gimbal housing. Examine very closely. Y pipe may have been incorrectly torqued or just age took its toll. I am surprised boat didn't sink.
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    Transom plate / Gamble housing through bolts (Alpha1 Gen1)

    In my opinion, that was another MC design flaw. I had the same crap on an older 86. I replaced motors and these boat sinkers with SS and lots of 5200
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    Timing pulley hits the chain cover

    There is more than one TC cover to fit SM Chevy. Usually, differences have to do with Timing tab(s).
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    Exhaust Flappers too tight

    Or,. you measuring tool is not accurate?
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    Alpha1 350 raw cooled boils and ticks rapidly after short time on muffs

    In NW Florida, most use open gaskets, since the water (Gulf, River, Bayous ) stay warm compared to other parts of the county, if they have an open cooled system. I don't know of anyone who uses restrictor gaskets, but I live on the Gulf Coast. I got away from open cooled systems. It will be a...
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    Alpha1 350 raw cooled boils and ticks rapidly after short time on muffs

    were riser gaskets open or closed? Motor's photo indicates that you have a sea water cooled motor and no heat exchanger.
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    Bravo 3 Metal Chips on Magnetic Drain Plug

    Ouch....now don't you feel good at finding it before OD became a hand grenade?
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    Bravo 3 Metal Chips on Magnetic Drain Plug

    No rust or contaminated lube? If you have time, pull and examine before next season. But, I fish way offshore and it would be a long pull ride home if it exploded while out 100 miles???
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    Brandnew retro fitted water shutters making tons of noise

    motor in video is not an antifreeze cooled engine. At least, I couldn't see any heat exchanger. If it is not a closed cooling system, the gaskets should allow sea water to pass from exhaust manifold to riser and out exhaust.
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    Anode replace over hydraulic manfold

    With all the other zincs on the motor/od, I don't know if it is really necessary. Perhaps u should ask former owner why they removed it. I have seen several ODs that had and a number that didn't.
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    Repair Y Pipe Possible?

    They can be repaired by a PRO TIG welder but not by an average DIY welder like me. To much salt is embedded in pipe that would be very difficult to clean and not be cost effective. I have never had an issue on an Ebay return, yet.
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    Removing Old Bellows Glue/Adhesive

    and lacquer thinner... and lots of elbow grease!
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    Restoring my drive bell housing

    Looks like a salt water used OD. You must know a great TIG welder. My experience with TIG-n saltwater used aluminum has been less that desirable. But, I had cataracts at the time. Good job!
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    New gimbal bearing, can’t get alignment tool in coupler

    not real easy. You should use special too like a turn buckle. I had to buy one. Snatching using the center of bearing, as Achris points out, may damage it.
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    New gimbal bearing, can’t get alignment tool in coupler

    INDEED, unless you can get on the outside race. I have a special tool that is similar to a turn buckle. It seems to work. If my old memory serves me correctly, I believe I purchased it for gimbal bearing removal for Alpha 1.
  20. T

    New gimbal bearing, can’t get alignment tool in coupler

    Snatch out bearing and then examine if alignment tool goes into bearing and coupler. If tool goes into both, you have problems elsewhere.
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