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  1. Scott06

    1993 Mercruiser 350 Ski Magnum carbed oil type

    If genital size is frustrating you that is for a different forum... Above I said ask two guys what oil to use and you will get three different answers, thanks for proving my point. Guy asked what oils he can use , relayed 40 years of experience and options... never said its the only way, just...
  2. Scott06

    Mercruiser alpha 1 gen 2 alarm sounding

    would agree it might be overheating, although I'm not sure what temp the switch goes off at the alarm is trigger by three things - high temp, low oil pressure, low drive lube. disconnect them and one at a time reconnect them to see which one is triggering it. these are switches separate from...
  3. Scott06

    1993 Mercruiser 350 Ski Magnum carbed oil type

    Stop with drama, they sell Marine power long blocks (new GM marine) as well as merc bobtails and rebuilds. Doubt they are recommending oil that would cause a warranty issue or lessen engine life. Also doubt that the seller (merc) would recommend anything that doesn't have their label. Failure...
  4. Scott06

    Rain water getting into front of boat (Sea Ray 180)

    what I am talking about is having a shop make a custom cover that uses the existing snap locations not A universal fit cover
  5. Scott06

    Rain water getting into front of boat (Sea Ray 180)

    Best solution I have seen is get a cover made that goes from bow to stern all of these two piece covers leak a neighbor did that for same reason , covers the windshield now zero leaks
  6. Scott06

    3.0 mercruiser dieseling

    625 -650 in gear. new mercarb is likely set too Lean to make emissions, try richening the mix screw a tad
  7. Scott06

    3.0 mercruiser dieseling

    No
  8. Scott06

    3.0 mercruiser dieseling

    Yes for sure have used water too. Used to duct tape a funnel to the brake booster vacuum hose to suck it in.
  9. Scott06

    3.0 mercruiser dieseling

    Certainly anything to get it running cooler, like 140 thermostat or cool down idling will help. Two other things that helped on mine was running GM top engine cleaner down the carb to remove carbon deposits from the combustion chambers. The top engine cleaner works great, as does sea foam or...
  10. Scott06

    1993 Mercruiser 350 Ski Magnum carbed oil type

    I have for years (15-40 and 20-50) no failure at all. diesels have a similar load to boats, in fact when I repowered a new to me boat in 2016 Michigan Motorz required rotella T4 for break in and recommended it for use
  11. Scott06

    1993 Mercruiser 350 Ski Magnum carbed oil type

    Yeah there are some good sites out there and you tubes on direct drive surfing. on the oil I have used everything from marine specific 25-40 , Walmart super tech, Mobil one and rotella.… Penns oil is a great choice, what ever is locally available. The only perceptible difference I have seen is...
  12. Scott06

    Engine Swap

    There will certainly be some type of stringers below the floor. There are stringers on either side of the engine that support the engine mounts. Depending on year and construction there may be wood stringers or they may be wood free. Floors may have a wood core. My 2003 sea ray has non wood...
  13. Scott06

    1993 Mercruiser 350 Ski Magnum carbed oil type

    Like you life long lake boater, some fishing, some water sports... always skied behind what ever we or our neighbors had (Typically underpowered IO bowriders). Probably 10 years ago bought my daughters a wakeboard, and they really took to it, especially our youngest. Of course this lead to...
  14. Scott06

    Engine Swap

    Drill some holes to see the extent of it, might also be in the stingers as well. might be localized and somewhat easy to repair vs total gut. Would hope one doesnt off load a known structurally unsound boat as you surely can attest to what that is like on the receiving end
  15. Scott06

    1993 Mercruiser 350 Ski Magnum carbed oil type

    You don’t even know this guy and you are attacking him. Not every one who wakeboards or surfs is an ahole. He may be an ahole in training, you know working he may be working up to it…. just like not everyone on iboat is as much of an ahole as you are acting like. bottom line if you dont have...
  16. Scott06

    Buying a boat with a broken Mecruiser sterndrive

    In the 80 s merc did put 454 with alpha drives and had issue with longevity. This was before the bravo drive came out . Alphas are good for about 300 hp
  17. Scott06

    Buying a boat with a broken Mecruiser sterndrive

    while both the 454 and 4.3 are available with a bravo drive, it is more likely that the 4.3 uses an alpha drive which is not suitable for a 454. Also gear ratio would be different. If you need a replacement mercruiser drive and dont want to pay OEM prices look at SEI aftermarket drives
  18. Scott06

    Posible oil and water mix in mercruizer sterndrive

    could be that the seals in the outdrive are leaking and oil and water mixes. I think also the vent on cap can cause pressure build up and overflowing as well. Would crack your drain screw on outdrive and see if you have milk there
  19. Scott06

    1993 Mercruiser 350 Ski Magnum carbed oil type

  20. Scott06

    1993 Mercruiser 350 Ski Magnum carbed oil type

    Ask two guys what oil to use you will get 3 answers. .... The quicksilver sythetic or not is fine. I run Mobil 1 15w-50. A lot of guys will Rotella T4 15w 40. Wix or baldwin filters get good recommendations. Napa used to be supplied by wix. Dont over think it. Use a weight such that you keep...
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