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  1. tpenfield

    Compression Test Readings

    OK . . . a hydrolock can stretch the head bolts, which may act like a blown head gasket.
  2. tpenfield

    Compression Test Readings

    Were any of the head bolts loose (not fully torqued) when you removed them?
  3. tpenfield

    Boat accident at dusk

    Did the other boat operator (or passengers) go on record with law enforcement at any point regarding lights, visibility, etc.? Did law enforcement find fault, issue citations, etc? Not sure you covered that previously. Sorry to here that it is such a hassle. Your insurance might cover what...
  4. tpenfield

    Mercruiser 6.2L Coolant Loss

    How did you get so hung over? Bad ice in the drinks? :LOL: You can probably just look around the front of the engine for a broken or loose hose. If that fails, then do the heat exchanger fill. The water will probably be noticeable even without running the engines. Make sure not to leave...
  5. tpenfield

    Compression Test Readings

    Wow . . . :eek: I'd run just the compression test again. Never mind the cylinder leak testing at this point. If the results hold true, you've got . . . 2 'good' cylinders 3 dead cylinders 3 marginal cylinders Does the engine actually run?
  6. tpenfield

    Mercruiser 6.2L Coolant Loss

    Those engines look very familiar to me. (I have their 350 HP cousins ) Anyway. Assuming that you have VesselView (?) Were you getting an overheat warning/alarm? If you think the impeller failed, were you seeing the proper amount of pressure for the raw water side? Did the coolant blow at...
  7. tpenfield

    OMG - I got an oversized load permit !!!

    Yes, I get to use the Wide Load banner that I bought last year. :ROFLMAO: I have towed a short distance w/out a permit (but don't tell anybody :rolleyes: ) . I don't think the LEO's really care all that much, but just in case.
  8. tpenfield

    Structural integrity and boating safety.

    I guess it would have to be pretty obvious and blatant signs of structural issue to see that from the antics at the launch ramp. The spectator's area and cheering section is about 150' from the actual ramp. I'd expect the boat owner in question not to be receptive to any comment or concern...
  9. tpenfield

    OMG - I got an oversized load permit !!!

    I'm planning to take the boat out in about a week's time. So, I thought I might try to get an oversized permit (10'-10" wide load), as I go on a state road for part of the route. The MA DOT makes things a bit challenging, but I figured it out and applied for a 'single trip' permit on their...
  10. tpenfield

    I think I will go electric for my next new car ...

    Well you know that these electric vehicles are the mother of invention. What will be 'invented' ? - Better and more eco-friendly batteries - More renewable energy supplies - Faster re-charging - More efficient motors - etc. . . . I'm not sure I'd want an electric car/truck just yet, mostly...
  11. tpenfield

    Merc 4.3

    No. :D Why do you ask? :unsure:
  12. tpenfield

    Merc 350 mag mpi HELP! 200°

    Keep in mind that the exhaust manifolds are going to be getting the 160˚F water from the engine as their cooling water. So, probably 185-200˚F is not bad. The riser/elbow gets cool water directly (which then mixes with the water from the manifolds. The top of the riser/elbows should be in...
  13. tpenfield

    Throttle position sensor

    Based on your 'testing', I'd be starting with the TPS and work from there. Do you have the computer diagnostics to check the engine out? or access to one?
  14. tpenfield

    Exhaust Bellow

    That's a new one (to me) . . . I have not seen a bellows like that, but exhaust bellows don't have to be water tight, since they are under water anyway and fill up when the boat is at rest. @Brody133 . . . do you have the prior/original bellows for comparison?
  15. tpenfield

    Reputable engine source?

    Yes, probably . . . Michican Motorz is sales and distribution, as are many places that sell a variety of products. Jegs, Summit Racing, etc. . . MM may have a standing relationship with an engine builder. Their marketing info implies that they build them, but not explicitly. Any markings on...
  16. tpenfield

    Reputable engine source?

    4300-RRR - That part# has roller cam & lifters specified Is that a typo in your post? (of course I don't see an item 4300-RR on the MM website)
  17. tpenfield

    Bravo 3 shifting

    If you are a DIY type of person, there is a fix without replacing the gears. https://forums.iboats.com/threads/bravo-3-shift-adjustment.735164/
  18. tpenfield

    initial boat inspection how to's

    Rust and rusty seepage at the joints of the exhaust components
  19. tpenfield

    Stringers & Transom Replacement!

    See post #10 in the thread below . . . https://forums.iboats.com/threads/advantech-plywood.293676/
  20. tpenfield

    initial boat inspection how to's

    One thing to keep in mind is that the engine is 21 years old, raw water cooled, and has been run in salt water. The exhaust manifolds and risers can be (and usually are) replaced on a 5-7 year interval in salt water, but the engine block is not easily replaced. You will certainly get more...
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