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  1. J

    Mercruiser break in

    Hi guys, I have a question about a new 3.0L Mercruiser I just installed in my sea ray. Is there a special procedure or limits you should run the engine at? Break in period, etc.?
  2. J

    Mercruiser 3.0 engine replacement questions

    Hi guys. Well did an engine tear down after some horrific noises coming from my '01 Mercruiser 3.0L last week. My engine timing gear cover had a huge hole in it on the top, right underneath the water pump. The water pump had excessive water leaking out of the weep hole and I think it went...
  3. J

    Mercruiser 3.0 head gasket question

    Hi guys. I am in the process of replacing the head gasket on my '01 3.0. When I removed the bolts I noticed that the threads had some sort of sealant on them. Is this a specific type of sealant? My shop manual doesn't mention it. Any help would greatly be appreciated. Thanks!
  4. J

    Exhust shutter question

    Hello! I am in the process of switching out a bad 3.0 out of an 01 alpha one drive. I removed the mainfold exhust elbow and I noticed that my water shutter flaps are extremely corroded. Should I replace them as a preventative measure or just use em? What are the signs of bad ones? Any help would...
  5. J

    '01 mercruiser 3.0L WOT issues

    Hi Guys. I have an '01 Sea Ray with multiple engine issues. It has a Mercruiser 3.0L 135HP. The engine stalls around 2500 rpm's when advancing to WOT. I can only get to 2300 before the engine stalls out. Also, when advancing the throttle the engine produces a squealing sound but goes away once I...
  6. J

    To grind or not to grind?!

    Hello folks! It's hard to believe that I only have a few months left to finish this restore! Anyways, bought a a project '89 Ebbtide boat last spring and I am in the process of laying a new floor down. The floor and stringers was so bad that everything had to come out. I have finished the demo...
  7. J

    89 Ebbtide Montego 170

    Hello all! I own an '89 Ebbtide Montego 170 Bowrider. This boat is great and handles well. Only one problem, I have soft floors and was wondering if anyone has attemped to replace them? Thanks for reading! Does anyone know where to aquire the boat manual?
  8. J

    No choke about it..I have an annoying issue.

    Hi all. I have an 89' ebbtide with an 3.0L Merc. I have a Merc Carb 2 Barrell that I just rebulit. I took her out and it ran great and the idle was right on. After running the boat for awhile I docked it for about half an hour. When I tried to start, it didn't want to fire up. I finally got it...
  9. J

    Do engine block repairs work?

    Hello all. I have a 3.0L with a cracked block. Just wondering if repair work or is it time for a new block? Man that sounds expensive or time consuming. Thanks for reading.
  10. J

    3.0 merc head gasket

    Well my boat problems persist. I was timing the engine today and noticed a skip in the motor. I did a compression check and found the #2 cylinder at 75psig. Not good news. All the other cyls are fine around 110 psig. The plugs are dry and in great shape so I am thinking head gasket. Is this...
  11. J

    I can't get my lower unit back on!!

    I am so frustrated with my '89 Merc alpha one lower unit. I can't get it to seat. It feels like it's stuck. I have it in full forward gear. I think it's not getting in the splines but I have tried to turn the prop with no joy. Any tricks?
  12. J

    3.0L alpha one impeller help

    Hello. I am in the process of replacing my raw water pump impeller. The impeller part went without a hitch but I have an unknown part that I can't tell where it goes. The part is not listed in the manual either or maybe I'm looking in the wrong place. It's a half-moon like shim with a gasket on...
  13. J

    new points

    I was just wondering if you had to physically set the gap of the point in the distributor housing or is that what base timing does? I am sorry for asking a stupid question. Thanks for reading.
  14. J

    First timer here changing points

    I have changed my old worn out points with a new tune up kit for a '89 3.0L alpha one merc. I set the #1 cyl to TDC and now I don't know what the gap is in the cap?!! My merc manual is in the mail. Does anyone know what the gap is? What's the next step?? Etc. Thanks for reading.
  15. J

    Mercruiser 3.0L oil tube conversion?

    I have seen some 3.0L mercs with an oil tube that pulls through the boat plug hole for quick oil drains. Is there a conversion for 3.0L's that don't have this tube?
  16. J

    '89 3.0L Aplha One overheats at idle

    Hello all. I own an '89 Ebbtide with a Mercruiser 3.0L Alpha One stern drive. I took her out for the first time this season and it started to overheat about five minutes into heading out. Didn't notice it right away until I heard some sizzlin, cracklin coming from the engine compartment. I got...
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