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  1. Lou C

    Another gear oil thread... 80w-90 vs. 90

    Living on an “island” we have plenty of boat supply stores so don’t ever have to go to Walmart lol.
  2. Lou C

    Mercruiser 5.7 EFI Water in Oil

    Do both sides, take heads to a machine shop to check for cracks & maybe do a valve job at the same time. Mine both had cracks from a bad overheat but amusingly it ran fine with normal compression until I started getting water in the oil & a bit of water in 1 cyl, just a trace of water in the...
  3. Lou C

    Mercruiser 5.7 EFI Water in Oil

    This can be tricky to figure out. A leaky intake gasket will put water in the oil vis the cam valley but not in the cylinders. A leaky head gasket can put oil in both. To further complicate things a bad HG doesn’t always show up on a compression test. Mine didn’t! I did the clear hose test...
  4. Lou C

    Tips On Replacing Starter

    The new style PMGR starters are so light that you can hold it up one handed & get the bolts started
  5. Lou C

    Starter install help.

    Try to get down by the starter and take a pic of the wiring on the solenoid. There is a wire that you didn’t mention that goes from the solenoid positive terminal up to the alternator B+ (output) terminal. Is this in place?
  6. Lou C

    Major engine malfunction today and could use advice on next steps

    The wiring issue might be a result of the overheated exhaust manifold melting wires or connections. If the impeller was intact you should really consider inspecting the exhaust system; in salt water it is a regular maintenance item that may require replacement every 5-7 seasons. Sometimes you...
  7. Lou C

    Stupid me, no oil

    You really have to spray them with Corrosion X every few years. I’ve been doing that and my 1988 4.3 still has the original pan & it’s been kept on a salt water mooring for 20 seasons 5/6 months each season.
  8. Lou C

    1996 Four Winns Sundowner with 5.0 Cobra engine and drive

    Power valve is supposed to open at a specified vacuum level and enrich the fuel mix. Head over to Holley.com there are many videos & info on how these carbs work. Probably 85% of all the carbs on Hot Rods & many classic cars are Holleys because they are a standard design modular carb in...
  9. Lou C

    1996 Four Winns Sundowner with 5.0 Cobra engine and drive

    OP has a simple Holley 2bbl not the EFI. I’d prob go thru the carb again & carefully clean the jets, passages & air bleeds. Replace all gaskets & install a new accel pump diaphragm
  10. Lou C

    Tow Smart "Submersible" LED tail lights are junk... better solution?

    That could be the ones I bought 9 years ago were made here.
  11. Lou C

    Tow Smart "Submersible" LED tail lights are junk... better solution?

    https://tecniqinc.com/
  12. Lou C

    Tow Smart "Submersible" LED tail lights are junk... better solution?

    American made & excellent Tecniq lights Installed in 2015 still working, salt water trailer
  13. Lou C

    Stupid me, no oil

    Just thought of another thing Does this engine have the dipstick that hooks up to the drain plug in the pan? If so, there is supposed to be a rubber plug where the normal dipstick would go. If this rotted out or fell out you’d lose a LOT of oil! Starboard side of the block right at the bottom...
  14. Lou C

    Stupid me, no oil

    I just saw a super powerful black light on South Main Auto’s you tube. Put some dye in the oil & it will be obvious!
  15. Lou C

    Cracked intake manifold

    Is this a ‘96 and up Vortec? I recall reading that these had a drain plug in the front of the intake that has to be pulled to avoid freeze damage. Not present on the older pre Vortec engines…
  16. Lou C

    I/O (Sterndrive) Conversion to Outboards

    My plan for that is to make it easier; next engine closed cooling & remote oil filter mount. These changes will eliminate the need for me to remove the rear seats & wood frame just to do an oil change & pull the block drain plugs. And, what’s the biggest boat you can get that will be fast enough...
  17. Lou C

    Why I'm nervous boating at night...

    Half the boaters here either don’t know, and don’t respect right of way rules, speeding across channels etc. At night? Not for me! That and lobster pot bouys can really ruin your day. We don’t get much debris in the water but the other factor you should keep in mind is as you age your night...
  18. Lou C

    Cracked intake manifold

    Intakes usually only crack when the engine freezes, how’s the rest of the engine?
  19. Lou C

    5.7GL (LK) IMPELLER and GASKET MAKER ??

    Ahh, posted too fast, that 1997 is different than mine, it has the Volvo style pump on the engine, I don't know about those, only the 86-93 models with the impeller on the tail end of the upper gear housing.
  20. Lou C

    5.7GL (LK) IMPELLER and GASKET MAKER ??

    That o ring can shift when installing eve when using what OMC said to use (gasket sealer) I use triple guard grease to hold it in place instead. Check for water leaks around the housing after installing when running on the hose.
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