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  1. Scott06

    Boat wakes

    I personally love I/Os vs OB for the clean swim platform and sun pad. Some I/Os can bee really good for the intermediate skier my buddys Glastron 185/4.3 pops up on plane and has very little wake compared to my bigger sea ray 200. SO when we ski we take him boat, tubing and boarding we take my...
  2. Scott06

    Hydrofoil/Whale Tail Good or Bad

    That is exactly what I saw on my boat with/without the foil. I would keep an eye for stress cracks. Your MC1 cavitation plate isnt't any stronger than the one on my alpha one that cracked at the holes. I never thought about it until after my plate cracked off..
  3. Scott06

    Prop?

    Michigan Wheel makes a Vortex 4 blade AL that is very similar to the Alpha 4. I've run several of them over the years , just bought one for my new boat because the water level in low this year. They come in even pitches so If you had a 21" 3 blade black max I would run a 20" Vortex 4 blade...
  4. Scott06

    Fuel pressure

    He forgot to include he is running a Holley DP, while these factory settings are likely ok Eric u may want to consult with Holley as to the fuel Pressure the carb is intended to work with
  5. Scott06

    Best ratio for 4.3MPI swap into 20ft Caribbean

    Agree with this. When i swapped engines 4.3=>5.0, i kept the 1.81 drive went from a 19” to 21” pitch works perfectly
  6. Scott06

    Maintenance intervals

    Dont worry about the metal clip, mine rusted away completely- you can put a zip tie on it. What I cant see much of is the driveshaft bellows. I just changed mine (2004 lift kept fresh water boat) they started to get abrasions by where it contacts the hinge pins and gimbal ring. The old ones were...
  7. Scott06

    Prop diameter effect and planing trouble

    Yes heavier load go down in pitch
  8. Scott06

    4.3 liter, the DC-10 of I/Os...

    And yet this compromise has performed very well for many folks in the typical <21 ft bowrider application for years. Works well for its intended purpose but certainly not a performance engine
  9. Scott06

    Hard starting

    Quicksilver is a parallel line same parts essentially same part numbers, but allows them to be sold outside the mercury dealer network. They are oem parts
  10. Scott06

    Swap from 3 Blade prop 19P to 4 blade prop

    I think it depends on the 4B prop. The Nemesis is not that big bladed prop and doesn't have too much bite so you may not loose too many rpm. Either way you want prop pitch to be such that you can get to the upper part of the WOT RPM range. I have run several 4 blade props - 21" Vensura, 21"...
  11. Scott06

    Hydrofoil/Whale Tail Good or Bad

    JB weld and merc phantom black rattle can ...
  12. Scott06

    Hard starting

    400 is the oem 50 is aftermarket junk cross referencing the OEM part number Or just buy from mercruiser parts .com or marine engine vs amazon
  13. Scott06

    noise coming from gimbal/coupler area after taking on water

    Yep my thoughts exactly and then sit in water
  14. Scott06

    Prop diameter effect and planing trouble

    You won't be able to prop around these issues. If it was healthy and you were getting 4600 wot with a 19" 4 blade, then I would suggest a 17" 4 blade... But you have a dying engine unfortunately. I run 4 blades for loading watersports performance works well but my engine is in good shape. If...
  15. Scott06

    94 chaparral 1930 ss with 4.3 prop help

    Its good you have that back ground- you can install a fuel air ratio meter, but I believe due to load on engine marine engines tend to have a higher detonation potential and I believe historically more conservative timing. Certainly MPI and electronic controls can push this as well as aluminum...
  16. Scott06

    275 Verado not going into gear Broken drive shaft?

    Sorry to hear that - if the gear locked up that's why the driveshaft broke. You might be able to weld a bolt or stud to the drive shaft piece that is stuck in there and use a slide hammer to pull it out. Hopefully the abrupt stop didn't damage the power head- I assume they design the drive...
  17. Scott06

    noise coming from gimbal/coupler area after taking on water

    I would replace the u joints and look at drive for evidence of water intrusion
  18. Scott06

    Hard starting

    No but if you google it or put your serial number in any of the parts site like mercruisierparts.com you should be able to find it
  19. Scott06

    Hard starting

    Use only oem merc bellows fit much better
  20. Scott06

    Hard starting

    Are u gonna start crap again with me .. last thread ended with me calling you numb nuts and you giving that a thumbs up Start this Him with basics before we have him rejetting and tearing into it. Better yet he would properly rebuild his q jet vs tune an auto carb
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