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  1. ScottinAZ

    Am I just nuts???????

    First things first, I have a boat. I like said boat, but I need a "project" going to keep me out of the funny farm.... I am currently having impure thoughts when searching Marketplace looking at boats.... I have found what could be a "project" or it could be "parts" for my current boat. It is a...
  2. ScottinAZ

    Bad engine coupler or spun prop hub?

    pull the prop nut and outer washers. if there is signs of "fresh" metal there and on the thrust washer, the prop has been spinning independent of the hub..... just went through this earlier this season with your exact symptoms.... changed prop, problem solved. start simple and cheap. the prop...
  3. ScottinAZ

    Missing bolt behind motor

    If I am seeing what I think I am seeing, that bolt holds in the packing for the thru-hull raw water pipe from your water pump in the lower leg to the engine. You do NOT want this connection to fail, so yes, you want to get a replacement bolt in there ASAP
  4. ScottinAZ

    Best way to pressure test an exhaust manifold?

    Honestly, the best way to test the manifold is with it off. Then block one side and fill with acetone. There really is no good way to block the riser end, as it’s intended to be open for the water to exit the exhaust. If you had a blown riser to manifold gasket, I would agree that’s a likely...
  5. ScottinAZ

    Pre-Alpha drive won't go into reverse.

    the manifolds are still available. IIRC you take the same one I do. I checked into this when I had my issues..... I forget who offhand was the aftermarket supplier, but they are still out there.
  6. ScottinAZ

    Removing trim senders screws

    Could have been a bit of sealant on the threads that acted more like a thread locker than a sealant. If you havent already reassembled, I would chase the threads in the housing to clean any crap out of them. Cheap insurance for next time when (not if) you have to take those screws out again. As...
  7. ScottinAZ

    Mercruiser 140, MR outdrive - unidentified fastener

    certainly not anything that is supposed to be inside the bellows. Also not anything that rings a bell as to what the heck it is. Just so we are all on the same page, which bellows was it inside, shift, exhaust or u-joint?
  8. ScottinAZ

    Pre-Alpha drive won't go into reverse.

    I wouldnt freak out about the water in the oil YET.... I had a similar issue last year, and it was the manifold riser elbow being rotted out, and water getting in through the exhaust system. Yours is even older than mine by about a decade, so you may well have a similar issue. What you really...
  9. ScottinAZ

    Alpha one gen.one shift cable bellows repair kit

    short answer..... NO. Get factory. ONLY reason for buying one would be if you arent sure the running gear is any good to limit how much you sink into a possibly no good engine/drive..... I did just that, and just got done replacing the Chinesium crap with OEM after said Chinesium died an early...
  10. ScottinAZ

    Circulating Water Pump Weep Holes?

    differences in manufacturing.... under normal circumstances that area is dry. when the seal fails, and the weep hole starts doing its crying thing, it doesnt matter where on the pump it is, it will start doing its designed job.
  11. ScottinAZ

    Replacing U-joints Alpha one gen 1

    ok, I consulted the factory manual for my drive, (1980 MC-1) SM#4, pages 3A-14-3A-15. the book just states to use a universal joint remover/installation tool mounted in a vice. They do not elaborate on the type, so I ASSUME they are using a standard commercial c-clamp style tool. They do not...
  12. ScottinAZ

    454 Piston problem

    that 29 grams relates to just a hair over an ounce. your 12 gram difference is less than half an ounce. From the factory, frankly I am surprised they kept it that close. They dont balance every motor as it goes out the door, close is good enough for them. Really the only folks that DO worry...
  13. ScottinAZ

    Prop Question

    slightly off topic, but sadly, no. Shop class is mostly a thing of the past. they are now teaching "E-Sports" AKA video games, and "coding" so you can make said video games. The things that actually get us around and make the world work, AKA mechanical things are not taught anymore.... No love...
  14. ScottinAZ

    Cool youtube channel

    Yeah, Eric is entertaining. Seeing the common failure modes over time, and some of the inherent design flaws in some of the engines is telling (WET TIMING BELTS ANYONE...) I know several types of engine that if they were in a vehicle I was looking at, I would pass just based on the information...
  15. ScottinAZ

    1989 Four Winns Carrara Mercruiser Alpha 1 Bellows/Gimble Replacment

    Im going to echo AllDodge here.... Doing the bellows is not a terribly hard job to do, but you DO need a bit of skill, and one or two specialized tools. Removing the drive is a heavy proposition, and getting the clamps off the bellows can be tricky, depending on how the bands are clocked giving...
  16. ScottinAZ

    Pre-Alpha drive won't go into reverse.

    the cutoff switch, which is on the left in the pic being activated is typical for a bad shift cable. the inner wears enough to jam up, that friction, and the loss of motion is what is causing you to lose reverse. Yours just seems to have picked the time to show itself right after the other work.
  17. ScottinAZ

    Pre-Alpha drive won't go into reverse.

    I found mine for fairly cheap on eBay, I think it was under 10 bucks shipped.
  18. ScottinAZ

    Pre-Alpha drive won't go into reverse.

    I had the same issue with the shift cable. Get the tap. Rethread the hole for the newer style cable and all will be right with the world.
  19. ScottinAZ

    Engine support while towing.

    in this instance I see the braces as added insurance. My drive will stay up without the braces almost indefinitely, however, the one time they would drop would inevitably be when dragging it down the road.... for what they cost, its cheaper than a ruined trip and a FUBAR drive (I dont have...
  20. ScottinAZ

    High compression in 1 cylinder - 7.4 carb

    a marine cam is usually what would be referred to as a "truck" or an "RV" cam. A bit spicier than a regular cam, but not one with overlap, or you can suck water into the engine through the exhaust from reversion. Others here, such as Scott Danforth can elaborate a bit more on this point, but...
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