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  1. Lou C

    MCM 7.4 oil

    Ok first find out if the engine had flat tappets. If not & you have a roller cam no real issue with zinc. But if you have flat tappets here are some choices: Merc/Quicksilver 25/50 syn blend, I used this and did an oil analysis & it has 1300 ppm of both Zinc & Phosphorus Valvoline VR-1 20/50...
  2. Lou C

    How do I safely remove anti-siphon and intake line?

    Yep look for a thin hex wrench for that. You don't want to strip that out in the plastic tank.
  3. Lou C

    outdrive question

    Just make sure it doesn't pop out of the hole (lol). I run an adapter I made up to the stat housing which will work if your engine has a drive mounted water pump (no impeller on the engine). If you have a Volvo or Bravo with the impeller on the engine, you must connect the water source back at...
  4. Lou C

    1995 Crownline 202BR Restore

    Can't wait to see this when it's done! Better than a new boat could be built, like a number of the rebuilds that people have done on here. My boat was burgundy/red, no matter how many times I cleaned and polished and waxed, it went back to pink in a few months. Finally gave up with that in 2012...
  5. Lou C

    Stuck oil filter

    Found a better pic, might be possible...
  6. Lou C

    Stuck oil filter

    Not sure if that's so, here is what the oil filter mounting pad looks like on a 4.3, different than the V8s.
  7. Lou C

    Stuck oil filter

    I was thinking the same thing, fab up something that looks like a pin wrench like the kind you use to remove the cap on a trim cylinder.
  8. Lou C

    Trailer tires.

    As I have posted before I have not had any trouble with Kenda Bias ply K550 tires, the first few sets came from Taiwan, a spare came from China and the last pair I bought came from Vietnam. All were about the same quality wise. A decent tire for local towing, which is all I do. If I were doing...
  9. Lou C

    How do I safely remove anti-siphon and intake line?

    I searched around on other boating websites as well (esp The Hull Truth) and the consensus is to get rid of that screen. My original pick-up tube and the one I replaced it with didn't have screens. The only drawback to this (as long as you have a proper water separating fuel filter) is that your...
  10. Lou C

    How do I safely remove anti-siphon and intake line?

    This can be a tough job, due to corrosion and even overtightening in the initial installation. I would make sure I ruled out other causes before trying to get the fuel pick up tube out....Mine did come out but not right away, I had to gently move it back and forth after soaking in penetrating...
  11. Lou C

    2003 horizon 200= do you have to pull the engine to replace the steering cable?

    When I replaced my steering actuator, I had to remove the exhaust on both sides to get at the actuator & the cable...not an easy job but my older model has less fiberglass in the way than the later ones...
  12. Lou C

    How do I safely remove anti-siphon and intake line?

    You want to put a thin wrench on that hex fitting that’s on top of the tank to hold it steady when removing the pick up tube. I was able to get mine out & it was in a 38 year old aluminum tank. Go easy on it, take your time..IIRC they are NPT threads.
  13. Lou C

    I/O (Sterndrive) Conversion to Outboards

    Just amazing Ted, your project is an inspiration to us all and beyond that, any job I have to do, becomes a lot smaller/less challenging etc.
  14. Lou C

    1995 Crownline 202BR Restore

    Being in salt water for years I have coated the fittings for the hoses on the thermostat housing and front circulating pump with marine grease, and get a set of large picks, the hoses will come right off then. Otherwise, the corrosion will make it tough to get them off. Best grease I have found...
  15. Lou C

    Exhaust manifold discovery?

    for some reason that's a Vortec 4.3 issue only, the pre-Vortec didn't have that issue. Just pulling the bottom end of the big hose on the circulating pump would drain it. Water passage inside the manifold must have been changed in shape/size.
  16. Lou C

    Oil 4 stroke Mercury 115hp

    When evaluating oils for marine use, one thing I will notice is this: after running the boat up on plane for a while, slow down, let the boat come off plane, bring it to idle, now what is your hot oil pressure? My sense is the better oils won't let it drop down as far, for example, at cruise you...
  17. Lou C

    Exhaust manifold discovery?

    It seems unlikely because it's much easier to drain the manifolds on most V6s and V8s than the block drains. After my first experience with winterizing mine years ago, I totally re-configured the back of the boat to make the seats easy to remove and the wood framework that supports the big sun...
  18. Lou C

    Exhaust manifold discovery?

    It’s not salt water so much it’s the pain of getting at the drains on V6s & V8s, that’s what would stop me from buying another. You wait too long just one time and you’re done.
  19. Lou C

    Oil 4 stroke Mercury 115hp

    IIRC when Merc came out with their 25/40 mineral oil they also said that if it wasn't available you could use straight 30 in cooler temps, straight 40 in warmer temps and 20/40 or 20/50 but this is all for inboards. I agree if I had a modern outboard I'd just use what they advice, given the...
  20. Lou C

    Exhaust manifold discovery?

    I have seen guys who are commercial fishermen out in my harbor with their boats....some are left out all winter, this year it was in the ice, etc, and they come out with a fresh battery, fire up the outboard and motor on. None of the nonsense that I/O owners have to go through trying to make a...
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