Recent content by 93maxum4.3lx

  1. 9

    Help me identify this bolt!

    Winterized my boat yesterday. Found this bolt sitting in the bilge under the motor (4.3 mercruiser alpha gen 2). Any ideas what it came from? I've owned the boat for a few years and have never lost any bolts, so either it's been hanging out down there for quite a while, or it recently fell...
  2. 9

    dropping pitch for heavy load at altitude - how beneficial?

    boat: 93 maxum 18' open bow motor: 4.3 LX ~ 190 HP drive: mercruiser alpha 1.81 ratio current prop: bay pro II 14x20 I am happy with this setup at sea level with 500lb of people - holeshot is effortless and life is great; not much bow rise getting on plane, it's just really nice. in a few...
  3. 9

    Fulton bearing protector disassembly

    does anyone have any documentation on how to (dis)assemble a fulton bearing protector / "bearing life protector" bearing saver/"bearing buddy" properly? I was checking them out today and I think mine were assembled improperly. I removed the snap ring, and then the large spring; and I found...
  4. 9

    northern california - baypro II 18p available for testing/purchase??

    I am wondering if anyone has a baypro II 18p prop available in the northern california area, and wouldn't mind letting me try it on my boat? Or even just outright for sale. I currently have a shiny brand new baypro II 20p that I would offer as collateral or in trade if you wanted to try it on...
  5. 9

    7.4 / 454 in 20ft bowrider

    comparing a typical 20ft bowrider with a typical 305/350 alpha setup; vs. a 20ft bowrider with a 7.4/454 and bravo 1 drive.. other than the increase in fuel consumption, is there any negative to the big 454 in a 20ft boat? are there any ill handling effects on a 20ft from having such a large...
  6. 9

    what creates prop slip?

    I've got another thread going here regarding prop selection, but after having calculated slip several times, i'm wondering what causes prop slip and why mine is relatively high. mercruiser alpha drive, 18 ft 1993 maxum open bow runabout, 1.81 ratio. several prop slip calculations: 19p...
  7. 9

    4.3lx fuel pump priming (mercruiser, carb'd)

    mercruiser 4.3lx, 1993, 4bbl, electric fuel pump. If the boat hasn't been used for a week or two, it takes a while to start. Here's how it typically goes: * crank for about 5 seconds - oil pressure gauge is flickering with pressure by 5 seconds * wait 10 seconds * pump gas once * crank for...
  8. 9

    going to 4-blade, which one?

    boat: 93 maxum 18' open bow motor: 4.3 LX ~ 190 HP drive: mercruiser alpha 1.81 ratio current prop: mercruiser "Vengeance" 14x19 SS holds 30 gallons fuel with 400lb of people, full gas, and a stingray hydrofoil, 42mph at 5100rpm before i pulled it back, it might have made it to 5200 or 5300...
  9. 9

    1993 4.3lx thermostat housing

    4.3lx mercruiser. I removed the thermostat as part of winterization, and it was really a pain to remove. I have a six hose design, with a flat plate cover for the thermostat itself. Anyways, the book diagram shows a spacer above the thermostat, and an O-ring below it; however I seem to have...
  10. 9

    mercruiser alpha - verification of winterization process

    This is the first year I've had to worry about winterization (first winter as a boat owner); I want to verify the steps I took. boat is a '93 maxum 18' with a 4.3LX alpha. boat was only used twice this summer since it's last winterization. weather around here rarely gets below freezing, but...
  11. 9

    4.3LX on 18', prop questions

    boat: 93 maxum 18' open bow motor: 4.3 LX ~ 190 HP drive: mercruiser alpha 1.81 ratio has a stingray hydrofoil installed prop: mercruiser "Vengeance" 14x19 SS GPS speed: 42mph @ 5000 rpm (would go higher if allowed) load: full gas, 2 people my reason for posting is to get some prop advice on...
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