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  1. J

    early 70's Mercruiser 165hp inline 6 w/ MC-1 drive not going into gear (sometimes)

    Good enough for me. Really appreciate you taking the time to explain all of that, very cool to hear all of this history that is probably extremely rare knowledge nowadays
  2. J

    early 70's Mercruiser 165hp inline 6 w/ MC-1 drive not going into gear (sometimes)

    Thanks, that's good context. Sorry for being a pain here but I'm a little confused and I'd like to understand. If Merc just shipped the drives out with no decal and it sounds like any drive could go behind any motor, it kind of sounds like there's no way to tell the ratio from the sticker...
  3. J

    early 70's Mercruiser 165hp inline 6 w/ MC-1 drive not going into gear (sometimes)

    Right, I means smaller as in lower horsepower (confusing phrasing, my fault). They have different ratios but I really only meant HP rating. thanks!
  4. J

    early 70's Mercruiser 165hp inline 6 w/ MC-1 drive not going into gear (sometimes)

    Thank you, I will check these out!
  5. J

    early 70's Mercruiser 165hp inline 6 w/ MC-1 drive not going into gear (sometimes)

    Ah, thank you. That makes sense. Do these often have a "throttle only" mode? How would that engage or disengage, is there usually like a button or something that typically does that? It's possible I'm accidentally pushing a button or hitting a switch or something?
  6. J

    early 70's Mercruiser 165hp inline 6 w/ MC-1 drive not going into gear (sometimes)

    Thanks, the cable seems fine and the shifter seems fine (shifts by hand). Is there a good video explainer on how the shifter on these old units works? I've only seen inside the drive a few times and I'm still mystified about how the shifter actually operates :/
  7. J

    early 70's Mercruiser 165hp inline 6 w/ MC-1 drive not going into gear (sometimes)

    Hi, thanks... I guess I'm not sure what the controller is (is that something that would be on an old engine like this?). I also just replaced the lower shift cable pretty recently (a few months ago) but only noticed the problem in the last week or two
  8. J

    early 70's Mercruiser 165hp inline 6 w/ MC-1 drive not going into gear (sometimes)

    Hi all, I have an older mercruiser 165hp from... my boat is late 60's but the engine was replaced. I think the engine is early 70's somewhere? It's an inline 6 cylinder GM. It has an old pre alpha drive (MC-1, to be exact). So my problem is, everything works great 98% of the time. It pops right...
  9. J

    22' starcraft islander, crack(s) in hull -- aluminum repair options?

    Wow, thanks, @BWR1953! These photos are really helpful. If I need to use solid rivets... I'm guessing that there's no magic way to do this without access to the back of the panel. So I'll need to take out my carpet, floor, side panels, etc.? Just for my own knowledge, why are solids preferred...
  10. J

    22' starcraft islander, crack(s) in hull -- aluminum repair options?

    also, thanks for the threads, @Rasdiir they were really helpful. Those patches look really nice, I'd be psyched for an outcome like that. Three more quick questions to add to my list, above. 4) Given that I have what seems to be two cracks that are about 4-5 inches apart, is it better to do...
  11. J

    22' starcraft islander, crack(s) in hull -- aluminum repair options?

    Thanks all. Riveting a patch down from the outside seems like the agreed-upon best fix, so I'll likely do something like that (but will continue to get advice for a few days while I mull it over). I think the big outstanding questions for me are: 1) How do you "form" it to the hull? Do you...
  12. J

    22' starcraft islander, crack(s) in hull -- aluminum repair options?

    Thanks... do you mean welding, at all? Like even having an airport shop weld a panel in the back? @jbcurt00 what is your recommended fix, something closer to an aluminum plate with 5200 on either the inside or outside? Thanks
  13. J

    22' starcraft islander, crack(s) in hull -- aluminum repair options?

    Sorry, but I don't know what back-buttered means. Does that mean more like put aluminum on the back of the outside patch, or that I need to access the inside of the crack and butter the "back" of the crack with 5200? Does this patch need to be riveted in? Also, should I be doing anything like...
  14. J

    22' starcraft islander, crack(s) in hull -- aluminum repair options?

    Late 60's, and I've only owned for about 5 years so... lots of unknowns. Recognizing that I am apparently bad at spotting cracks, is it safe to assume that if no water is getting in, there are no cracks? Do these cracks tend to cause catastrophic failures, or more gradual? Like, so long as I...
  15. J

    22' starcraft islander, crack(s) in hull -- aluminum repair options?

    Yeah... it should have. I knocked a bunch of the gluvit and paint off for these photos, but before I did that, it blended in pretty well (looks like it was painted over and the gluvit was put on over the paint, so all I could see was a crack in the paint that looked a LITTLE too deep). But...
  16. J

    22' starcraft islander, crack(s) in hull -- aluminum repair options?

    Oh, my fault for glassing over that question! The answer is... it's not immediately accessible. I'd have to, at the very least, cut an access port into my interior sidewall, if not remove the 14'-ish long sidewall entire. That said, I'm not opposed to doing either of those things, I'm just...
  17. J

    22' starcraft islander, crack(s) in hull -- aluminum repair options?

    I mean, I have friends who weld aluminum, I'm just not sure about whether or not this is a good idea so I'm asking the experts here. So just to confirm, you're saying that it's a good repair to weld it from the outside, and I'm not putting myself in any danger? I want to repair it right, I just...
  18. J

    22' starcraft islander, crack(s) in hull -- aluminum repair options?

    Thanks. I don't see any other spots, but also, I looked for this leak (albeit kind of halfheartedly) for months and only just now noticed this one, so... wow, welding in a whole plate seems like a lot more than I was expecting. So this isn't a candidate for either an expoy-based repair...
  19. J

    22' starcraft islander, crack(s) in hull -- aluminum repair options?

    Hi all, I have been trying to track down a leak in my 22' starcraft islander for a while, and today I think I finally found it. That's the good news, that bad news is that it seems to be coming from a crack in the hull. These boats are aluminum, so I'm looking for advice on options for aluminum...
  20. J

    adding access hatches to Islander (tracking down a leak)

    well, I found the leak, and the bad news is that it's a crack in the hull. I'm going to start a thread in the Hull forum, as I think this isn't a starcraft-specific question and I will need all the input on aluminum repair I can get. Thanks to all who have answered!
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