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  1. ab59

    my new old 1988 ss20v

    engine set in yesterday afternoon , now need to get buisy with the alignment . Odd how far off this is when nothing but new wood is different from removal of the old engine. Since I never checked it before removing the old engine I really don't know if it is different . I have got to wonder if...
  2. ab59

    OMC 5.7 cooling system

    here is a pic of the tag on the outdrive otherwise I do not see any other identifying numbers .
  3. ab59

    my new old 1988 ss20v

    up and running but using a huge amount of fuel .
  4. ab59

    fire at exhaust manifold upon startup 5.7

    first start of new engine went fine but when started later in the day had a fire at the turnback . Rebuilt Holley 4010 , 1 1/4 turns out both sides . Engine starts and runs good otherwise but a little worried about the fire. Floats ?
  5. ab59

    slag in heat exchanger

    I am still getting this engine ready to run on a pallet . today when putting antifreeze in the exchanger tank I noticed large clumps of what looks like slag or solder . I can move the two large clumps back and forth in the tank. Is this normal or should I try to remove the stuff out of the tank...
  6. ab59

    plug gap for 1988 OMC Cobra 5.7 carbureted

    for the last two days I have researched what the plug gap should be for and NGK G-power---UR4GP plug for my new rebuilt 5.7 Carbureted engine. So far I have read answers from .30 to .40 . I am getting a little worn thin on how there does not seem to be direct answers for such a simple question ...
  7. ab59

    1988 omc 5.7 how do I run it outside of the boat

    More stupid questions--below you will find pictures of a coil and something that I am not familiar with so I am asking anyone what this is and what it does . It almost looks like some kind of a second coil but does not connect to the distributor .
  8. ab59

    OMC 5.7 cooling system

    rite or wrong here is what I've got -----
  9. ab59

    OMC 5.7 cooling system

    This is what I have to work with.------ there are no extra pumps for raw water or separate heat exchangers
  10. ab59

    OMC 5.7 cooling system

    Can some one tell me why running a boat with a 5.7 in it with a closed cooling system would get salt corrosion in the exhaust manifolds and the Y tube if it were operated in salt water ? I have been told this several times here but I guess I'm just too stupid to figure it out. Seems to me that...
  11. ab59

    1988 omc 5.7 how do I run it outside of the boat

    I put this on the end of another thread but guess I should have opened a new one so here goes. I am finishing up putting all the jewelry on this new engine that i will install soon. I had some corrosion in the manifolds that I cleaned out but it as a little flaking going on so I would like to...
  12. ab59

    1988 OMC Cobra 5.7 in 201v Starcraft rear engine mounts

    OK , so I just drilled the new wood just like the original and am using longer lag bolts. I have not bought plugs yet , anyone have any suggestions ??: I would like to run the engine before I install it to blow out any remaining crap inside the exhaust manifolds but am a little confused about...
  13. ab59

    my new old 1988 ss20v

    back from shop and on engine smooth and flat, should mate up good. Waiting on turn back gaskets . I plan on running this engine on the pallet before installation to blow out any loose crap that might still be present in the manifolds.
  14. ab59

    1988 OMC Cobra 5.7 in 201v Starcraft rear engine mounts

    Getting ready to install this rebuild in the next few days and while making new wood for the front motor mounts I set the mount itself on the aluminum rail that the engine is mounted on only to see that the holes do not line up. In fact the holes are nearly an inch closer than the mount holes...
  15. ab59

    my new old 1988 ss20v

    OK , I inspected the Y manifold with my inspection camera and have found that it is in very good condition.It does have just a light dusting of white corrosion that is superficial and not rot on the bottom sections of the Y. As for the manifolds themselves , I took them to my local machine shop...
  16. ab59

    my new old 1988 ss20v

    a couple of pics after cleaning --- I will have to make a deeper inspection of the y tubes..When you say exhaust shutters I hope you are not saying that there is supposed to be a plate on the rods that go through the coupling ends of the y because that is what is there, just rods no shutters...
  17. ab59

    my new old 1988 ss20v

    OK guys I have a couple of questions maybe you could help with. We are finishing up the jewelry on the engine for installation. I cracked the turn down open on the exhaust manifolds and found some serious rust scale , may be what killed the engine that I am replacing . I been breaking out scale...
  18. ab59

    my new old 1988 ss20v

    Chased parts all day but started to mess with the black mess on my gunnels. Hit it a little yesterday with a stiff wire wheel and it would remove the stuff but I did not want to scratch the livin daylights out of the Aluminum so I quit and decided to wait until I found a softer wire wheel before...
  19. ab59

    my new old 1988 ss20v

    Well , found a rebuilt Edelbrock intake on eBay and it's on it's way . Just realized that I will need new valve covers as well because my old ones don't bolt down the middle . I guess I can chalk it all up to a revisit to old lessons that I forgot along the line and just got a refresher course...
  20. ab59

    my new old 1988 ss20v

    A funny thing happened to me while tearing down my old engine for rebuild, the engine that I ordered and waited a month and a half for showed up without any notice . Imagine that . Had to call PayPal and ask for my money back to get action but I guess that is what it took . I don't think the old...
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