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  1. Alumarine

    manifold leak maybe ??

    1st let me say I appreciate all the help I've been getting from this board with my first attempt to freshen my I/O.<br /><br />I'm trying to pressure test my manifold and the only leak I get is a small blurp (technical term) of air every 20 seconds from the last exhaust port by the riser.<br...
  2. Alumarine

    camshaft lobe discoloration ??

    Hi there. On the back outside edge of my cam lobes I have small discolored spots on either side of the lobe.<br />Anyone know if this is a problem?<br />The rest of the cam surface looks great and the lifters look like new with no wear at all.<br />Thanks hope you can see it in the picture.<br...
  3. Alumarine

    rusty intake ports on head ??

    Hi there. Anyone know why just the last 2 intake ports would be rusty? I know it must be from water but why? 1974 mercruiser 140<br /><br /> <br /><br />thanks for the help
  4. Alumarine

    outdrive removal and drive yoke ???

    Hi there. I just removed the outdrive from my 74 140 Mercruiser. I know it is supposed to be in gear when removing but I had it in Nuetral.<br />It came out quite easy.<br />Have I done it any harm?<br /><br />Also, if I try and turn the splined U-Joint shaft coming out of the lower end unit I...
  5. Alumarine

    temporary gear lube mercruiser 140

    Hi there. I have a 74 Mercruiser 140 I/O and I normally use Quicksilver Gear Lube Premium Blend (High Performance)in the lower end.<br /><br />I'm going to be working on the lower end this Spring and was wondering if it was ok to use a GL5 75W-40 in it for about an hour so I can get it out of...
  6. Alumarine

    mercruiser alignment tool question

    Hi there. I've been lurking here awhile and would like to say that this forum seems very informative and provides a wealth of info.<br /><br />I'm thinking of making my own alignment tool and was wondering if there is a disadvantage to making it out of aluminum?<br /><br />thanks
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