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  1. Q

    Running Hot update

    A little while back I posted that my merc 233 hp (1976) was running hot. For those of you who may remember: I replaced the impellar end of last year and continued the search this year. I found many potential problems along the way. This was a reman. engine that I picked up. They did not do the...
  2. Q

    1979 merc. 80hp

    Is it possible to have the muffs on the motor and have water coming out the pee hole and then not have water come out the pee hole while on the lake.? Got into some heavy weeds on one trip and then noticed no water coming out the pee hole on the next trip. Took boat home , let her sit since...
  3. Q

    Need part #

    Hi all ! I got a 1979 80hp merc. 4cyl. 2 stroke. I got fuel squirtin out from under the round fuel pump cap that has the debri screen under it. I replaced the o-ring in May and leak stopped. Now it's back again and this time even worse. I replaced the o-ring again with no success. I looked...
  4. Q

    Merc. 233hp running hot

    Hey everyone! I've been working with this motor for some time now workin out all the bugs. Had timing and carb issues wich I've taken care of. Now have great acceleration, runs smooth. starts great and peaks out at about 4k rpms. (book says should be between 3800 and 4000rpms) I discovered...
  5. Q

    Holley carb

    Needed to adjust 2ndary float level on my 4160 4bbl. Gasket is shot and now i'm in a pinch. I ordered bowl gaskets not realizing that the 2ndary gasket is different than the primary. 2ndary gasket goes under what I would call the vac plate. How do I remove this plate without trashing the carb...
  6. Q

    Coil failing ??

    Ok , I've posted about not being able to get to WOT. Thought I had a timing problem caused by a beefed up cam. Have been setting up the timing as per clymer book @ 10* btdc. Takes all the rpms I can give it in the drive way. Put her in the water and get her up to 3000rpms or so and then it will...
  7. Q

    Removing outdrive

    My friend has a 1981 Grady with what I believe to be a merc 480. Not sure exactly what outdrive he has but pretty sure it's not an alpha or pre-alpha going by his discription. He's thinkin it may be a generation II. He can only pull the outdrive back about an inch before it feels like...
  8. Q

    Motor not hitting max RPM range

    Picked up a merc. 233hp (1976) that was rebuilt and cammed up a bit .PO had all sorts of stuff messed up and have been trying to get all the bugs worked out. I'm now on what I believe to be the last and final thing to adjust. The carb. Had the 76' cresttliner crusader 24' out yesterday for a...
  9. Q

    Carb question

    I have a marine 2bbl carb on my 233hp mercruiser. I need to know how a power valve works in the carb. thanx
  10. Q

    Still running hot

    I have a 1976 merc. 233hp (351 windsor).Standard cooling. Was remanufactured 2yrs ago for previous owner. Said owner put larger cam in motor. Constantly ran hot and got to work on it but quickly got stumped as to why it ran so hot. Timing was off by quite a bit. Adj. made and runs great...
  11. Q

    Head Gaskets

    Can someone show by diagram or photo of propper head gasket installation on a 1976 ford 351 windsor 233hp? I suspect mine were installed wrong as now the motor runs too hot.Thanx for any help!
  12. Q

    pressure in the intake

    I have a two part problem here. First my motor runs hotter than normal. ( replaced h2o pump , thermo. and checked to make sure there are no water restrictions,{good flow}), and 2nd I have found that there is presure in the intake instead of vacuum. Does anybody have any Idea what may be causing...
  13. Q

    Running Hot

    Just dropped a rebuilt 351 w (233) in boat . Cam in motor is no longer stock ,(higher duration) Old motor ran at 150 degrees with same outdrive. This one runs at 190 deg. Does not go over that. Is it possible that this motor will run that hot or must I keep digging into this? T-stat was just...
  14. Q

    outdrive upgrade

    I'm curious? I'll use my setup as an example: I have a #1 outdrive on my boat. There are so many diff. versions out there but they are not all compatible. Using my merc. engine(351w), can I convert to say a gen 2. Is an old mercruiser engine like mine upgradeable? Please hold all smart ar$$...
  15. Q

    Any info on this boat ?

    I found a 1987 22' imperial sportfish. Looking for any available info on this boat brand . I'm not familiar with it at all. It is a walk around cuddy. Has a 305 chevy w/ omc outdrive. I have a couple pics of this boat from seller that look good enough for a closer inspection, but hope someone...
  16. Q

    engine swap to chevy or not

    I need sound advise fast ! I have this 351 windsor that just keeps kicking my ars. 76', 233hp now I've got water in oil. Found a replacement motor that is complete and said to be rebuilt. Price is reasonable but no garantee that it will run any better thn what I have. 2nd option I have is a guy...
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