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  1. 7

    1987 Power Play XLT-185 - floors, stringers, and upholstery

    I’m trying to figure out my supplies. Do you have a guess as to what you used, for just the transom? Mainly, resin, 1/4 chop strand, and cabosil? Did you use cabosil?
  2. 7

    fiberglassing in new floor

    Yeah I will have to see what it looks like, when I get the engine out, But cutting that cap off doesn’t look like fun either, that’s a long way around if it’s PB’ed all the way around.
  3. 7

    fiberglassing in new floor

    Yes I will section in a new piece, but I think it’s only rotted a few inches back. Which wouldn’t allow me to get the new transom in, I would have to go top 1st and slide the bottom in, over the stringers.
  4. 7

    fiberglassing in new floor

    Just a thought on doing the transom without taking the top cap off. I was thinking maybe if I cut slots in the new plywood for the transom, so it would slip in around the stringers. I might be able to get it in, there are only 2 stringers back there, one on each side of the engine. I would be...
  5. 7

    fiberglassing in new floor

    So I was thinking the only way to replace the transom is to remove the top cap. So I started looking into removing it, and it looks like the manufacturer used a peanut butter solution to glue the cap to the hull. Has anyone ran into this before? Looks like it will be interesting trying to...
  6. 7

    fiberglassing in new floor

    Here are a couple pictures of the back of the transom. I’m just wondering if I have worse problems, with this cracking? Or would it be fine if I replace the transom plywood?
  7. 7

    fiberglassing in new floor

    Yes, the transom is really bad, the stringers look good, except about a 3 inch area where it connects to the transom. For some reason, the top of it, wasn’t covered in fiberglass like the rest.
  8. 7

    fiberglassing in new floor

    The outside of my transom has hairline cracks in it. Is this just the gelcoat cracking? Or do I have more severe problems? I can get a picture tomorrow, if that would tell you more.
  9. 7

    fiberglassing in new floor

    Yeah I don't think I would chance it anymore. I am actually surprised something didn't happen to it, the last couple years that we were using it. Guess we got lucky!
  10. 7

    fiberglassing in new floor

    Well you guy’s were right, the transom is completely rotted out. I don’t know what’s keeping it together. I must have been running this thing for years with it rotten. Has anyone ever seen one of these just give way and sink the boat? It’s an I/O so the front of the engine had good support, but...
  11. 7

    fiberglassing in new floor

    So I may be getting ahead of myself, but if I get to glassing in the floor. Is the process, to get flooring screwed down, probably coat bottom with a layer of CSM 1st, then fill the cracks around the edges with the PB, then tab it in with the 1708, then lay the CSM over the complete top of...
  12. 7

    fiberglassing in new floor

    Yeah you are partly right on, I don’t really want to know. What is the 5200? What is the peanut butter? Something mixed in the resin? Where is the most likely spot for rot on the transom, down low probably? How about stringers on the tops?
  13. 7

    fiberglassing in new floor

    I basically just looked at the stringers, and kinda felt for soft spots. Looking at them and walking on them they feel pretty solid, clean and dry looking, not sure about transom, I hate the thought of drilling holes, can I tell by tapping on it with light hammer or something. The boat has been...
  14. 7

    fiberglassing in new floor

    I have a 78 Thompson I am putting a new floor in, and want to put a layer of fiberglass over the top, so no water can get to the plywood. I'm thinking a layer, maybe 1/8 inch or less thick and tie it back into the sides of the boat, like it was originally. I don't have much experience with...
  15. 7

    Replacing 470 starter with pmgr starter

    This is on a 1978 mercruiser 470 I've read a lot of threads about how to wire the new pmgr starter, but am still a little confused. I get that you have to run a new wire from the slave solenoid to the starter solenoid, but then everyone says you need a new positive battery cable. So do I leave...
  16. 7

    Pertronix for 78 Mercruiser 470

    Been thinking about installing a pertronix Ignitor in my 78 Mercruiser 470 Should I just go with the Ignitor or would it be a better idea to get the Ignitor II ? Guess my question is, do I need the extra benefits of the Ignitor II for my old 470 and would it be worth the extra money?
  17. 7

    470 Mercruiser starter

    Hi, I'm new to the forum. Hope I'm posting this in the right section. I have a 78 Thompson with the 470 merc, It has been in the family since about '81. I have always delt with the slow cranking of the original starter. I had the starter rebuilt about 1 year ago, put new battery cables in also...
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