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  1. J

    Alpha one outdrive gearbox rebuild question

    So when I removed the lower unit to investigate the issue, the vertical shaft all the way to the spline was covered in oil, this is why I was looking to replace the seals there. Is this inaccurate? Could it be something else? I was told the splines should not be in oil so the fact that it was...
  2. J

    Alpha one outdrive gearbox rebuild question

    Good afternoon, I have a 1995 Chaparral with the Gen ii alpha one drive. Ive had a gear lube leak in the outdrive and am attempting to do some seal replacement on my own but had a question. I've got the top plate off the outdrive and noticed the vertical shaft has a good wobble to it and I...
  3. J

    Prop question

    Personal experience, I struggled with my 4 blade and pretty much stopped using it. My set up is completely different so may not be the same result for you. I have a 19' Chaparral bow rider with the 220hp 4.3. I was interested in a 4-blade for towing and did my prop research to find how the...
  4. J

    What performance can be expected from this prop change?

    Thank you. Ended up just getting a new turning point 14.25x21p that was on sale. I've been satisfied running aluminum so far with my setup I'll just let it ride. I want stainless but for what I do it's not really necessary. I also take the boat to different lakes I'm not familiar with from time...
  5. J

    What performance can be expected from this prop change?

    Good afternoon, Being honest, I'm just trying to do a cheap prop change and had a question. I have a 4.3 mercruiser lx in a 95 Chaparral 1930 sst. The prop on the boat when I bought it is a 14.25x21p black max aluminum. Ran well but has reached the end of its life. I'm currently running a 23p...
  6. J

    4.3lx power steering fluid cooler replacement

    Thank you guys. Haven't gotten a chance to dig into it yet but I'm hoping to this weekend or next week.
  7. J

    4.3lx power steering fluid cooler replacement

    It's leaking into the bilge, I cleaned everything and watched it. I can't see where it's actually coming from though, just that it's leaking down into the bilge area
  8. J

    4.3lx power steering fluid cooler replacement

    Thank you. Unfortunately that's probably what happened. Got hit with an early freeze and I wasn't able to get to the winterization in time. Threw a heater system in but it failed and I didn't know till the middle of the night. Got it sorted out but was worried about it. Ran the motor today and...
  9. J

    4.3lx power steering fluid cooler replacement

    Good evening everyone, I just had a question about the power steering fluid cooler on my 4.3lx. The boat is a 95 and I can only guess the part is original to the boat. Is this a part that will fail? I ask because there just isn't much to it. Mine has a slow leak and I lost all my fluid over the...
  10. J

    95 4.3lx alpha one mercruiser cooling system question

    I think I'm all good. Replaced thermostat and all gaskets, I was able to get the hose back in place without removing any of the bellows or other items. It was difficult for sure but I believe everything is good to go. Muff test was successful, boat achieved operating temperature and sustained it...
  11. J

    95 4.3lx alpha one mercruiser cooling system question

    Thank you! So the drive side outlet is a barbed connection, does this connection need bellow adhesive and a hose clamp or should this be a clamp only. I'm going to tackle it over the next couple of days so I want to make sure. I bought the adhesive but don't want to screw anything up. If it's...
  12. J

    95 4.3lx alpha one mercruiser cooling system question

    Finally figured it out. Water line had pulled off the out drive so nothing was getting to the motor. Due to the way the water was pouring during muff testing it looked like it was coming from the right spots. Should there be a hose clamp on the drive side of that heater hose? I ask because mine...
  13. J

    95 4.3lx alpha one mercruiser cooling system question

    Missed this message, thank you, I'll try that
  14. J

    95 4.3lx alpha one mercruiser cooling system question

    OK so, new impeller and is functioning fine. I actually removed my thermostat to eliminate it as an issue, waiting for the new one to come in but wanted to test. Boat ran cool for about 10 min on the muffs then it started heatind up again. There are square head plugs in my circulation pump, can...
  15. J

    95 4.3lx alpha one mercruiser cooling system question

    Thank you. No leaking from the pump which is why I mentioned it, just trying to identify the problem. I'm new to working on marine applications myself so trying to learn. Impeller seemed to work when tested but may just not be delivering enough water, not sure what the flow rate should be. Water...
  16. J

    95 4.3lx alpha one mercruiser cooling system question

    In a vehicle, many times if the circulating pump fails there is a weep hole that helps identify the failure. Does this feature exist in marine applications? The 4.3 is just a truck motor so does this feature potentially exist for a marine application? Is there a way to identify of the...
  17. J

    95 4.3lx alpha one mercruiser cooling system question

    What should it be like.
  18. J

    95 4.3lx alpha one mercruiser cooling system question

    Yes, bucket was above the outdrive on the sundeck, I used it like I did to winterize with a hose running to double sided muffs. Nearly 4ft drop to the intake.
  19. J

    95 4.3lx alpha one mercruiser cooling system question

    OK, so I finally got a chance to get I to troubleshooting the issue. The impeller seemed to be drawing the water just fine, at idle I drained a 5gal bucket in about 2-3 min. Water seemed to be glowing fine but it began overheating again. My next check is the thermostat. I honestly don't think...
  20. J

    95 4.3lx alpha one mercruiser cooling system question

    Probably gonna troubleshoot it when I get a chance. Set it up like I'm gonna winterize and see if it draws from the bucket. Just weird, winterized and summerized without issue till I took it out on the water.
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