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  1. Lou C

    Screeching/grinding sound from carburetor?

    Which water pump, the impeller (rubber) or the circulating pump (automotive style for marine use). When the bearings in those fail they can make noise like that. Also check the alternator and the p/s pump if it has p/s. Same for any idler pulley or tensioner pulley. All have sealed bearings that...
  2. Lou C

    2002 Volvo Penta 5.0 idles great then dies in gear

    I think that some years of Volvos had trouble with the terminals on the relay for the fuel pump; there is also the oil pressure safety switch that cuts electric power to the pump if the engine stalls to prevent the electric pump from flooding the carb.
  3. Lou C

    Volvo exhaust bellow blew

    I’m wondering if your exhaust is clogging on one side and all the water is going to the other side. This could cause the side without water to really overheat and cause damage. I’d probably want to inspect the exhaust manifolds and elbows at this point especially if they are original.
  4. Lou C

    2002 Volvo Penta 5.0 idles great then dies in gear

    There are a number of common problems that can cause that difficulty: Blocked fuel tank vent Corroded sticking anti siphon valve on the gas tank Corrosion at terminals & relays for the electric fuel pump It takes very little fuel for the engine to start idle or even rev in neutral but under load...
  5. Lou C

    Looking for bare engine block with pistons

    Finally got it in today. The angry cats keep the birds off...
  6. Lou C

    Looking for bare engine block with pistons

    Here’s mine..
  7. Lou C

    Looking for bare engine block with pistons

    Hey Westie man glad you got it! I had this very same problem like 19 years ago when we bought this boat. At the time I knew Chevy engines and Rochester carbs but was not familiar with marine fuel systems. My mechanic found it and explained that the boat manufacturers use a cheap aluminum one...
  8. Lou C

    Starting mercruiser 350 after boat almost sinks

    And keep changing the oil and filter. Might take 3 times or more, but getting it good and hot is the main thing. One year I had a cooling hose on the back side of the engine pop off and I had seawater up to the pulleys. I would up replacing the starter and alternator, but the rest of the...
  9. Lou C

    Impeller challenged...?

    try to extend the shift cable guide all the way out and clean out all the crud that is behind it and the bellcrank. This is after sitting on a salt water mooring for 6 months each year. What I described above will get it working well and keep it working well. If you look really closely you can...
  10. Lou C

    Impeller challenged...?

    The other thing that can cause that is water deposits building up around the shift cable bellcrank in the pivot housing. This happens because the gasket may not seal 100% in that area. So first try cleaning any dried up crud there, lube the bellcrank with shaft with motor oil and get it moving...
  11. Lou C

    Rollet trailer....controlling during launch

    I do the same exact thing works well!
  12. Lou C

    Electric fuel pump

    Exactly. I have replaced exactly three (3) mechanical pumps in 49 years of driving and 19 years of boating. In fact if I repower this boat I really want to find an engine that can use a more reliable mechanical pump. Probably will have to go with a reman 4.3
  13. Lou C

    1988 4.3 OMC Cobra guidance

    Interesting pix. Wonder what caused the HG to blow? On mine it was different, the fire rings had slits in them which allowed water into the front cyls on each side. Not enough to hydro but enough to put water in the cyls and oil. While running I don't think water was getting in but when shut...
  14. Lou C

    1979 Mercruiser 5.7L 260 Overheating at 220?

    yes and yes it depends on how much water, when it gets really hot the crack you can't see might open up more and leak more water. The only way to tell for sure is pull the spark plugs ground the coil lead and crank it over. Does water shoot out of the cyls? Are the spark plugs showing rust on...
  15. Lou C

    Should I get this FREE project boat?

    Honestly save your money till you can afford a late model boat 20' range with a 4 stroke outboard. That "project" is likely to have the effect of causing you to HATE boats and boating. Just about garanteed.
  16. Lou C

    1979 Mercruiser 5.7L 260 Overheating at 220?

    Sounds like you still might have bad manifolds, you can take them off and test for water leaks, but in any case I would not risk ruining an engine with a rusted and welded manifold! That might be why the engine locked up, hydrolock because there could be a crack internally where you can't see it.
  17. Lou C

    1994 OMC Cobra 5.8 only 75% power

    Consider checking the fuel tank vent and the anti siphon valve on the gas tank.
  18. Lou C

    Should I get this FREE project boat?

    No
  19. Lou C

    1988 4.3 OMC Cobra guidance

    This is what you can convert to after the engine is repaired. Costs approx $720 for the Barr exhaust and for the Volvo stuff, another $500 or so, the parts are not cheap. But then its one and done, no leaks, bad fitment etc. Either that or take your chances with cheaper aftermarket. First 3 pix...
  20. Lou C

    1988 4.3 OMC Cobra guidance

    The only way to narrow it down the cause is to do a leakdown test; this will tell you if it’s valves not seating vs a blown HG between #1 & 3 cyls. I had the batwings on my engine till 2017, I had 3 sets, the original, replaced in 2004, then again in 2011. I’m in salt water and have to change...
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