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  1. DONTGAF

    Overheating troubles

    We have 1986 Mercruiser 5.7L 260 and we need some help. After starting the engine in the lake the Temp rises to about normal and then drops down slightly. (I assume the thermostat is now open) The probablem is that the temp will continue to rise until it gets just under the red. Our gauge...
  2. DONTGAF

    Nylon Balls

    Can anyone tell me what the purpose of the nylon balls inside the thermostat housing is. Thanks
  3. DONTGAF

    Thermostat housing exploded view

    We have a 1986 260 and I need an exploded view of the Thermostat Housing. I have a copy of the Service Manual but the picture is not very good. Seem like every place I go for parts I get something different. I think it may have been put together wrong before me, so I just need a good diagram...
  4. DONTGAF

    Shift Problems

    Hi, I have an 86, Alpha one, 260 in my boat and my problem is shifting in and out of gear, it's very stiff. In reading some of the posts the first thing I did was to check the shift interupter switch. I checked the switch simply by actuating the switch with the boat running and guess what, it...
  5. DONTGAF

    Thermostat question

    Can anyone tell me what thermostat should be in a 1986 Alpha, 260? And is there anything I should know or look for during the process of changing it? Thanks, Ron
  6. DONTGAF

    Sei Outdrives

    Does anyone have any experience dealing with Sterndrive Engineering and their drives? I am looking at picking up the SE106 and thought I would see what everyone else thinks. We inherited a boat from my father and the boat had been neglected. Basically to the point that the existing drive is so...
  7. DONTGAF

    Spark Plugs ?

    Can anyone tell me what is the best spark plug to use in an "86" GM 5.7L/260 with Thunderbolt IV ignition? Ron
  8. DONTGAF

    Hinge Pin Tool

    Can you use a Torx Socket for a Hinge Pin Tool? If so, does anybody know the size? Or maybe there are better solutions. Anything but buying a $20 socket. Any help would be greatly appreciated. Ron
  9. DONTGAF

    HELP with removing oxidization

    The Gelcoat on my boat is badly oxidized. Other then old fashion elbow grease and rubbing compound, is there any miracle ways to rid your boat of this stuff. On top of it all, my boat doesn't have a trailer so it is kept in the water. Any help would be greatly appreciated. Thanks, Ron
  10. DONTGAF

    Excessive Blow-by

    What can cause excessive blow-by? Would a small puddly of oil on the manifold underneath the Flame retarder be considered excessive? Do I need to be concerned with this condition?
  11. DONTGAF

    Shift Cable Socket

    Can anyone tell me if the outside diameter of a shift cable socket is limited. If so, can anyone tell me what the Maximum diameter can be? I'm going to weld two deep sockets together to make a shift cable tool and I'm trying to find out if I need to modify the O.D. Thanks
  12. DONTGAF

    alignment method

    Can anybody tell me where I can find detailed Engine alignment instructions and any tricks of the trade that might help me with my Alpha one, Gen 1 connected to small block chevy. I have the alignment tool allready.
  13. DONTGAF

    Gimble bearing install

    Can anybody provide me with the details I need to make a Gimble bearing installation tool? (Diameter, length, etc.) Also I need the details to make a socket to replace a shift cable. Both of the above tools are for a Alpha 1, Gen 1. Lastly, I understand there is a new kind of exhaust bellows...
  14. DONTGAF

    I need manuals and more......

    I need help finding manuals that I can download for the following. Mercruiser, Alpha 1 260/V8 w/Thunderbolt ignition Transom asy.#A557755 Drive Unit#0A623960 Any help anyone can provide would be greatly appreciated. Also my brother and I recently aquired a Regal Ambassador 255XL that needs...
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