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  1. P

    I found a bunch of Industry Data . . .

    True. And as dad always said, the parts weren't always easy to get when they were in production. So I guess it doesn't matter that much. Good enough Pratt didn't think it worth their time to design replacements.
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    I found a bunch of Industry Data . . .

    At some point merc changed the GEN II but I'm pretty sure most of the gear sets and parts all work back to the early 70s. I was kind of surprised when I was gathering parts like gears and bearings for my MR when I saw they were listed for Gen II up to a certain serial number. We have some...
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    I found a bunch of Industry Data . . .

    My lower is circa 1976 and has been wet stored until 2011. It got more corrosion damage on fresh water then it ever did in the bay.
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    I found a bunch of Industry Data . . .

    Dad's 77 had some 1600 hours put on it between 85 and 95, which is quite unusual. On the flip side the 84 has about 900 on it since 98 which is in line with industry norms. But it sat for several years in there and when it became mine, I'm doing nearly 100 hours some years.
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    [SPLASHED] I/O (Sterndrive) Conversion to Outboards

    Was only kidding. Dad built his whole pole barn for a year rent at that rate. I can't ever justify paying for storage of something at a rate like that. Just ain't worth it. I will note, my town rates lot coverage different for pole barns because they aren't considered dwellings or permanent...
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    [SPLASHED] I/O (Sterndrive) Conversion to Outboards

    Fair enough. Also one of the many reasons I'm picking a place to disappear to when I can...
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    I found a bunch of Industry Data . . .

    From dad's musings wrenching, wellcrafts with volvos in the 70s/80s were about the worst to work on. Hated benches, hated fiberglass engine boxes... he had a list. Really liked the I4 and I6s as nothing got buried on those but the 6 was uncommon when he started so it was either a 4 banger or a...
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    So what gun do you want to buy?

    I'd like to find my grandfather's PPK. I don't remember if dad had it or his ahole brother ended up with it. Beyond that I have so many just sitting that it's almost a shame.
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    Been a while since we've had an oil thread

    I just picture some engineer in a furry suit in a room being told he's a good boy for that one.
  10. P

    Been a while since we've had an oil thread

    The same yamaha that has outboards that "make" oil?
  11. P

    Been a while since we've had an oil thread

    The 25w40 merc hasn't lost pressure hot in my application while the diesel oil did. I also don't have the balls to run the thing flat out for more than a 2 minute stretch... you realize how short the river actually is when you do that and it just sounds like abuse on the engine in my hull. 3800...
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    Been a while since we've had an oil thread

    There was a white paper done a while back. Took a bunch of cams in, I think small block chevys. (Note lake cites this test constantly) and then run and put under a scope and wear and particle counts measured. The diesel oils constantly had ~double the wear rate vs even current API formulations...
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    Been a while since we've had an oil thread

    And still a worse performer on flat tappets. Go figure.
  14. P

    Been a while since we've had an oil thread

    I like the one where he tests rotella and it has the worst flat tappet cam wear of all the tested oils.
  15. P

    80's boat building

    One of the top comments was they weren't ripping lines between suggestions and the only right answer is yes.
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    Boat covers like Seal Skin

    I usually used tarps for the winter. I would just go brush it off as I went out to shovel. The last storm we got there was a full 24" on it before I got out as I was working. 1 support pole, doughnut on the bow and a few lines from the peak work nicely. My goal was always to get it to shed as...
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    Intake manifold, 350 GM

    Hot rodding a GMT400 the swap was always using a marine MPI lower. The point was to get the injection spider out of the air flow path. I remember those used to be 3-400$ like new at the time. The automotive lower is a... very cheaply cast aluminum vs the iron marine which is marginally better.
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    Maybe my turn for new boat time

    When dad used to wrench, he was the only certified mercruiser tech at his shop. He had all the outboard certs too but was the I/O guy. I don't know if they still do separate but imagine they do.
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    Maybe my turn for new boat time

    Wonder if they're billing you for two 4 quart containers and just keeping the extra quart. I'd assume a dealer would have drums of oil... but my Chevy dealer uses 1 quart bottles for their oil changes instead of bulk. I can only assume someone either double or forgot to fill an engine one too...
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