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  1. Lou C

    1995 OMC 5.0L Winterizing

    http://shop2.evinrude.com/Index.aspx?s1=2tqclkccq1qrh523a2uuan5hf0&catalog_id=0&siteid=1 water drain is part #77 in this diagram
  2. Lou C

    1995 OMC 5.0L Winterizing

    What you can do: Get a couple paper cups and drain some AF from each engine drain and put the cups in a freezer set at zero. If they stay liquid and that’s the coldest you get then you’re good. If they freeze then drain the rest out of the engine and disconnect the bottom end of the big hose at...
  3. Lou C

    Mercruiser 5.0 TKS vs 4.3 MPI

    MPI runs better cold and has a steadier cold idle for sure. More power? Debatable but ok maybe true in some cases. More important: ease, cost and speed of repair. Carbs win that one every time.....
  4. Lou C

    Re; Broke spark plug

    Sure thing the engine mounted flush hose eliminates the issue of the muffs not fitting etc.
  5. Lou C

    1995 OMC 5.0L Winterizing

    I can't believe that they are that lazy. Shameful! You're better off learning to do it right yourself.
  6. Lou C

    Can't find 1992 Mercruiser 4.3 Pre-Vortex intake manifold

    if its on a water passage I wouldn't. See if it can be welded if so go for it if not, wait till a good one pops up on ebay.
  7. Lou C

    4.3GL Engine draining ports

    if its a vortec engine (8 bolt intake) there is a drain plug on the front left side of the intake manifold as you face it. you also disconnect the lower end of the big hose that connects the front circulating pump and the thermostat housing, let that drain and the hoses on the impeller housing...
  8. Lou C

    Re; Broke spark plug

    Same thing with the Cobra, there is a nipple on the impeller housing, with a small rubber hose attached, that allows it to prime. I make sure that this is open every season before commissioning the boat. I remove the end of the hose and use a compressed air can to make sure its clear. The...
  9. Lou C

    Re; Broke spark plug

    with an engine mounted impeller, if the water line drained of water when the boat was pulled out, unless your muffs fit really well you can have this problem. Not as common on an Alpha since the raw water impeller is right in the lower gear housing and the water doesn't have to travel far before...
  10. Lou C

    Can't find 1992 Mercruiser 4.3 Pre-Vortex intake manifold

    Find a good automotive machine shop and ask them.
  11. Lou C

    Warm Start issues... HELP!!!

    Post up a pic of what you have; pix of the intake & carb & choke set up. 8 bolt or 12 bolt intake? Was the engine replaced with an older pre Vortec engine?
  12. Lou C

    Can't find 1992 Mercruiser 4.3 Pre-Vortex intake manifold

    Well that depends on what you want to do. If you want to add about 20 hp or so go with an Edelbrock 1409. If you’re happy with the performance of the 2 bbl and want to save money then I’d think about a used 2bbl cast intake from eBay or places like NLA marine parts. What’s wrong with the...
  13. Lou C

    Can't find 1992 Mercruiser 4.3 Pre-Vortex intake manifold

    No need to replace the distributor; the Vortec heads are a nice upgrade if yours needs head work anyway. I bought two 4.3 cast iron 4bbl intakes from eBay and they were both in good shape. Still using my original that’s been used in salt water 15+ seasons. I think filling the engine with good...
  14. Lou C

    Can't find 1992 Mercruiser 4.3 Pre-Vortex intake manifold

    They make a brass lined version, check their site. Used cast iron ones can work perfectly well as long as the water passage isn’t cracked. Usually all you have to do is clean up the sealing surfaces. Try to get one from sellers in the Midwest fresh water regions.
  15. Lou C

    Can't find 1992 Mercruiser 4.3 Pre-Vortex intake manifold

    That’s all that you’re going to find, they probably haven’t been made in years. Other option is an Edelbrock aluminum intake.
  16. Lou C

    Can't find 1992 Mercruiser 4.3 Pre-Vortex intake manifold

    I've found a few on ebay.
  17. Lou C

    Re; Broke spark plug

    Make sure your muffs fit well. Some are made out of rubber that’s too stiff to confirm to the lower gear housing. And then not enough water gets sucked up to the impeller. The best ones I’ve used are the Merc/Quicksilver round ones with the metal rod clamp.
  18. Lou C

    Warm Start issues... HELP!!!

    Hmmm a Quadrajet on a 1998 boat? Sure about that? Because Quadrajet production stopped about 1989 or so and after that OMC & Volvo changed to Holley and Merc changed to the Weber (Edelbrock). If there is really a Quadrajet on a 98 engine which should be a Vortec I’d like to see how the choke is...
  19. Lou C

    5.0L MPI Idle Air Control Valve OEM vs Aftermarket

    Old school carb means no proprietary parts that can be made NLA like what happens with engine ECMs and ignition modules. It’s all the in the aftermarket with carbs no matter what your preference is due to the huge collectible car and hot rod aftermarket. Quadrajet, Holley or Edelbrock take your...
  20. Lou C

    Volvo Penta 5.7 AQ271C Electric Fuel pump coversion

    I did, some Evinrude blue snot. You know the stuff lol! That and a few choice cuss words got it done.
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