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    Droid replied to the thread Freeze out plug 1977 OMC.
    I'd coat it with Permatex 80019 when installing.
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    Droid replied to the thread Freeze out plug 1977 OMC.
    Wire brush on a drill to remove heavy rust. I assume the replacement plugs are brass or stainless. Not automotive zinc plated steel. Did...
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    I understood from your last post it wasn't an OMC. ChrisCraft maximized their own branded engines back in the day. Or at least some of...
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    Droid replied to the thread Freeze out plug 1977 OMC.
    If you carefully lift engine up & forward enough to gain access you'll probably be OK. Don't damage that steering cable!
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    Droid replied to the thread Freeze out plug 1977 OMC.
    FYI, here is why I said try..... Old 120hp intermediate would not separate from engine. Splines stuck like glue. Had to remove bottom...
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    Droid replied to the thread Freeze out plug 1977 OMC.
    I assume you have truecourse steering (steering cable hooks to intermediate housing below RH manifold). If so & if you are removing the...
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    Droid replied to the thread Freeze out plug 1977 OMC.
    I'm sure letting it sit will be OK. I've owned 5 of these Fossil Drives (2 currently) but the only select trim one I had was an inline...
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    Droid replied to the thread Freeze out plug 1977 OMC.
    The small studs on the solenoid are wired differently so it probably won't operate. Just jumper across the 2 big studs to do your project.
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    Droid replied to the thread Freeze out plug 1977 OMC.
    Part shows 979774, same part number in tilt circuit. Only 1 small stud on the solenoid. Most auto have 2. If you try it, be sure to...
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    Droid replied to the thread Mercury tachometer application.
    I'm not sure but most frequently stators are 6 pole.
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    I can't answer that one. But I'd say no. In an OMC the odd fire at idle wasn't really noticeable but just off idle, a bit. Maybe the big...
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    OMC I/O I assume? I believe the 150 hp 1 barrel carb models (64 thru 66) had a vacuum advance that was never used. The '67 & later 155...
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    The tube size was changed in '82 with the "R" drive, a 1 year hybrid as the "MR"/Alpha 1 was being introduced in '83. To the best of my...
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    Droid replied to the thread Mercury tachometer application.
    I don't believe you have a 1980 4 cylinder engine. Did you fat finger the year? 1988 or 1989 seems more correct. If it's a late 80s...
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